Matthew C. Hansen



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Hansen M.C., Potapov P. V., Moore R., Hancher M., Turubanova S. A., Tyukavina A., Thau D., Stehman S.V., Goetz S.J., Loveland T.R., Kommareddy A., Egorov A., Chini L., Justice C.O., Townshend J.R.G., 2013, High-resolution global maps of 21-st-century forest cover change. Science, 342, 850-853.

Tyukavina A., Stehman S.V., Potapov P.V., Turubanova S.A., Baccini A., Goetz S.J., Laporte N.T., Houghton R.A., Hansen M.C., 2013, National-scale estimation of gross forest aboveground carbon loss: a case study of the Democratic Republic of the Congo, Environmental Research Letters, 4, 1-14.

Bwangoy, J-R.B.B., Hansen, M.C., Potapov, P., Turubanova, S., Lumbuenamo, R.S., 2013, Identifying nascent wetland forest conversion in the Democratic Republic of the Congo, Wetlands Ecology and Management, 21, 29-43.


Broich, M., Hansen, M., Potapov, P., and Wimberly, M., 2013, Patterns of tree-cover loss along the Indonesia-Malaysia border on Borneo, International Journal of Remote Sensing, 34, 5748-5760.
Gaveau, D. L. A., Kshatriya, M., Sheil, D., Sloan, S., Molidena, E., Wijaya, A., … Meijaard, E. (2013). Reconciling Forest Conservation and Logging in Indonesian Borneo. PLoS ONE, 8(8), e69887. http://doi.org/10.1371/journal.pone.0069887

Harris, N.L., Brown, S., Hagen, S.C., Saatchi, S.S., Petrova, S., Salas, W., Hansen, M.C., Potapov, P.V., and Lotsch, A. 2012, Baseline map of carbon emissions from deforestation in tropical regions, Science, 336, 1573-1576.

Margono, B. A., Turubanova, S., Zhuravleva, I., Potapov, P., Tyukavina, A., Baccini, A., … Hansen, M. C. (2012). Mapping and monitoring deforestation and forest degradation in Sumatra (Indonesia) using Landsat time series data sets from 1990 to 2010. Environmental Research Letters, 7(3), 034010. http://doi.org/10.1088/1748-9326/7/3/034010

Hansen, M.C., and Loveland, T.R., A review of large area monitoring of land cover change using Landsat data, Remote Sensing of Environment, 2012, 122, 66-74.
Potapov, P.V., Turubanova, S.A., Hansen, M.C., Adusei, B., Broich, M., Altstatt, A., Mane, L., and Justice, C.O., Quantifying forest cover loss in Democratic Republic of the Congo, 2000-2010, with Landsat ETM+ data, Remote Sensing Environment, 2012, 122, 106-116.
Potapov, P., Turubanova, S., Zhuravleva, I., Hansen, M., Yaroshenko, A., & Manisha, A. (2012). Forest Cover Change within the Russian European North after the Breakdown of Soviet Union (1990–2005). International Journal of Forestry Research, 2012, 1–11. http://doi.org/10.1155/2012/729614
Dieye, A.M., Roy, D.P., Hanan, N.P., Liu, S., Hansen, M., and Toure, A., 2012, Sensitivity analysis of the GEMS soil organic carbon model to land cover land use classification uncertainties under different climate scenarios in Senegal, Biogeosciences, 9, 631-648.
Houghton, R.A., House, J.I., Pongratz, J., van der Werf, G.R., DeFries, R.S., Hansen, M.C., Le Quere, C., and Ramankutty, N., Carbon emissions from land use and land-cover change, Biogeosciences, 9, 5125-5142.
Townshend, J. R., Masek, J. G., Huang, C., Vermote, E. F., Gao, F., Channan, S., … Wolfe, R. E. (2012). Global characterization and monitoring of forest cover using Landsat data: opportunities and challenges. International Journal of Digital Earth, 5(5), 373–397. http://doi.org/10.1080/17538947.2012.713190

Broich, M., Hansen, M., Stolle, F., Potapov, P., Margono, B. A., & Adusei, B. (2011). Remotely sensed forest cover loss shows high spatial and temporal variation across Sumatera and Kalimantan, Indonesia 2000–2008. Environmental Research Letters, 6(1), 014010. http://doi.org/10.1088/1748-9326/6/1/014010

Broich, M., Hansen, M.C., Potapov, P., Adusei, B., Lindquist, E., Stehman, S.V., 2011, Time-series analysis of multi-resolution optical imagery for quantifying forest cover loss in Sumatra and Kalimantan, Indonesia, International Journal of Applied Earth Observation and Geoinformation, 13, 277-291.

Hansen, M.C., Egorov, A., Roy, D.P., Potapov, P., Ju, J., Turubanova, S., Kommareddy, I., and Loveland, T.R., 2011, Continuous fields of land cover for the conterminous United States using Landsat data: first results from the Web-Enabled Landsat Data (WELD) project, Remote Sensing Letters, 2, 279-288.
Potapov, P., Hansen, M.C., Gerrand, A.M., Lindquist, E.J., Pittman, K.; Turubanova, S., Løyche Wilkie, M., 2011, The global Landsat imagery database for the FAO FRA remote sensing survey, International Journal of Digital Earth, 4, 2-21.
Stehman, S.V., Hansen, M.C., Broich, M., and Potapov, P.V., 2011, Adapting a global stratified random sample for regional estimation of forest cover change derived from satellite imagery, Remote Sensing of Environment, 115, 650-658.
Fritz, S., You, L., Bun, A., See, L., McCallum, I., Schill, C., Perger, C., Liu, J., Hansen, M.C., and Obersteiner, M. (2011). Cropland for sub-Saharan Africa: A synergistic approach using five land cover data sets: A NEW CALIBRATED CROPLAND DATA SET. Geophysical Research Letters, 38(4), n/a–n/a. http://doi.org/10.1029/2010GL046213
Pittman, K., Hansen, M.C., Becker-Reshef, I., Potapov, P.V., and Justice, C.O., 2010, Estimating global cropland extent with multi-year MODIS data, Remote Sensing, 2, 1844-1863.

Scharlemann, J. P.W., Kapos, V., Campbell, A., Lysenko, I., Burgess, N.D., Hansen, M.C., Gibbs, H.K., Dickson, B. and Miles, L., 2010, Securing tropical forest carbon: the contribution of protected areas to REDD, Oryx, 44, 352-357.

Hansen, M.C., Stehman, S.V., and Potapov, P.V., 2010, Quantification of global gross forest cover loss, Proceedings of the National Academy of Sciences, 107, 8650-8655.
DeFries, R., Rudel, T., Uriarte, M., and Hansen, M., 2010, Deforestation driven by urban population growth and agricultural trade in the 21st century, Nature Geoscience, 3, 178-181.

Potapov, P., Turubanova S., Hansen M.C., 2011, Regional-scale boreal forest cover and change mapping using Landsat data composites for European Russia, Remote Sensing of Environment, 115, 548-561


Potapov, P., Hansen, M. C., Stehman, S. V., Pittman, K. and Turubanova, S., 2009, Gross forest cover loss in temperate forests: biome-wide monitoring results using MODIS and Landsat data, Journal of Applied Remote Sensing, 3, 1-23 [DOI: 10.1117/1.3283904].
Wulder, M.A., White, J.C., Gillis, M.D., Walsworth, N., Hansen, M.C, Potapov, P., 2009, Multi-scale satellite and spatial information and analysis framework in support of a large-area forest monitoring and inventory update, Environmental Monitoring and Assessment. (DOI: 10.1007/s10661-009-1243-8.
Bankanza, J-R.B., Hansen, M.C., Roy, D.P., DeGrandi, G., and Justice, C.O., 2009, Wetland mapping in the Congo Basin using optical and radar remotely sensed data and derived topographical indices, Remote Sensing of Environment, 114, 73-86.

Roy, D.P., Junchang, J., Kline, K., Scaramuzza, P.L., Kovalskyy, V., Hansen, M., Loveland, T.R., Vermote, E., and Zhang, C., 2009, Web-enabled Landsat data (WELD): Landsat ETM+ composited mosaics of the conterminous United States, Remote Sensing of Environment, 114, 35-49.

Broich, M., Stehman, S.V., Hansen, M.C., Potapov, P., and Shimabukuro, Y.E., 2009, A comparison of sampling designs for estimating deforestation from Landsat imagery: A case study of the Brazilian Legal Amazon, Remote Sensing of Environment, 113, 2448-2454.

Hansen, M. C., Stehman, S. V., Potapov, P. V., Arunarwati, B., Stolle, F., & Pittman, K. (2009). Quantifying changes in the rates of forest clearing in Indonesia from 1990 to 2005 using remotely sensed data sets. Environmental Research Letters, 4(3), 034001. http://doi.org/10.1088/1748-9326/4/3/034001


Maeda, E.E., Formaggio, A.R., Shimabukuro, Y.E., Balue Arcoverde, G.F., and Hansen, M.C., 2009, Predicting forest fire in the Brazilian Amazon using MODIS imagery and artificial neural networks, International Journal of Remote Sensing, 11, 265-272.

Lindquist, E. J., Hansen, M. C., Roy, D.P., and Justice, C.O., 2008, The suitability of decadal image data sets for mapping tropical forest cover change in the Democratic Republic of Congo: implications for the global land survey, International Journal of Remote Sensing, 29, 7269-7275.


Hansen, M.C., Shimabukuro, Y., Potapov, P., and Pittman, K., 2008, Comparing annual MODIS and PRODES forest cover change data for advancing monitoring of Brazilian forest cover, Remote Sensing of Environment, 112, 3784-3793.
Potapov P., Hansen M. C., Stehman S. V., Loveland T. R., Pittman K., 2008, Combining MODIS and Landsat imagery to estimate and map boreal forest cover loss, Remote Sensing of Environment, 112, 3708-3719.

Hansen, M. C., Stehman, S. V., Potapov, P. V., Loveland, T. R., Townshend, J. R. G., DeFries, R. S., Arunarwati, B., Stolle, F., Steininger, M., Carroll, M., and DiMiceli, C., 2008, Humid tropical forest clearing from 2000 to 2005 quantified using multi-temporal and multi-resolution remotely sensed data, Proceedings of the National Academy of Sciences, 105, 9439-9444.

Hansen, M.C., Roy, D., Lindquist, E., Justice, C.O., and Altstaat, A., 2008, A method for integrating MODIS and Landsat data for systematic monitoring of forest cover and change in the Congo Basin, Remote Sensing of Environment, 112, 2495-2513.
Steininger, M.K., Hansen, M., Townshend, J.R.G., Tucker, C.J., Skole, D., and DeFries, R., 2008, Convincing evidence of tropical forest decline, Proceedings of the National Academy of Sciences, 105, 34.
Achard, F., DeFries, R., Eva, H., Hansen, M., Mayaux, P., Stibig, H-J., 2007, Improved pan-tropical observations and mid-resolution monitoring of deforestation, Environmental Research Letters, 2, 11.
Chang, J., Hansen, M.C., Pittman, K., Dimiceli, C., and Carroll, M., 2007, Corn and soybean mapping in the United States using MODIS time-series data sets, Agronomy Journal, 1654-1664.
Strahler, A. H., L. Boschetti, G. M. Foody, M. A. Friedl, M. C. Hansen, M. Herold, P. Mayaux, J. T. Morisette, S. V. Stehman, and C. E. Woodcock, 2006, Global Land Cover Validation: Recommendations for Evaluation and Accuracy Assessment of Global Land Cover Maps, Report of Institute of Environmental Sustainability, Joint Research Centre, European Commission, Ispra, Italy.
Hansen, M. C., Townshend, J. R. G., DeFries, R. S., and Carroll, M., 2005, Estimation of tree cover using MODIS data at global, continental and regional/local scales, International Journal of Remote Sensing, 26, 4359-4380.

Morton, D.C., DeFries, R.S., Shimabukuro, Y.E., Anderson, L.O., Del Bon Espírito-Santo, F., Hansen, M.C. and Carroll, M., 2005, Rapid Assessment of Annual Deforestation in the Brazilian Amazon Using MODIS Data, Earth Interactions, 9, Paper 8, [online journal].

Jasinski, E., Morton, D., DeFries, R., Shimabukuro, Y., Anderson, L., and Hansen, M., 2005, Physical Landscape Correlates of the Expansion of Mechanized Agriculture in Mato Grosso, Brazil, Earth Interactions, 9, Paper 16, [online journal].
DeFries, R., Hansen, A., Newton, A.C., and Hansen, M.C., 2005, Increasing isolation of protected areas in tropical forest over the past twenty years, Ecological Applications, 15, 19-26.
Hansen, M. C., and DeFries, R. S., 2004, Detecting long term global forest change using continuous fields of tree cover maps from 8km AVHRR data for the years 1982-1999, Ecosystems, 7, 695-716.
Hansen, M. C., DeFries, R. S., Townshend, J. R. G., Carroll, M., Dimiceli, C., and Sohlberg, R. A., 2003, Global percent tree cover at a spatial resolution of 500 meters: First results of the MODIS vegetation continuous fields algorithm, Earth Interactions, 7, paper no. 10, 15 pp. [online journal]
Morisette , J. T., Nickeson, J. E., Davis, P., Wang, Y., Tian, Y., Woodcock, C. E., Shabanov, N., Hansen, M., Cohen, W. B., Oetter, D. R., and Kennedy, R. E., 2003, High spatial resolution satellite observations for validation of MODIS land products: IKONOS observations acquired under the NASA Scientific Data Purchase. Remote Sensing of Environment, 88, 100-110.

Hansen, M.C., DeFries, R.S., Townshend, J.R.G., Sohlberg, R., Carroll, M. and Dimiceli, C., 2002, Towards an operational MODIS continuous field of percent tree cover algorithm: examples using AVHRR and MODIS data, Remote Sensing of Environment, 83(1&2), 303-319.

Hansen, M.C., DeFries, R.S., Townshend, J.R.G., Marufu, L. and Sohlberg, R., 2002, Development of a MODIS percent tree cover validation data set for Western Province, Zambia, Remote Sensing of Environment, 83(1&2), 320-335.
DeFries, R. S., Houghton, R. A., Hansen, M. C., Field, C. B., Skole, D., and Townshend, J., 2002, Carbon emissions from tropical deforestation and regrowth based on satellite observations for the 1980s and 1990s, Proceedings of the National Academy of Sciences of the United States of America, 99, 14256-14261.
Hansen, M.C., DeFries, R.S., Townshend, J.R.G., and Sohlberg, R., 2000, Global land cover classification at 1 km spatial resolution using a classification tree approach, International Journal of Remote Sensing, 21, 1331-1364.
Hansen, M.C., and Reed, B., 2000, A comparison of the IGBP DISCover and University of Maryland 1 km global land cover products, 2000, International Journal of Remote Sensing, 21, 1365-1374.
Zhan, X., DeFries, R., Townshend, J.R.G., DiMiceli, C., Hansen, M., Huang, C., and Sohlberg, R., 2000, The 250m global land cover change product from the Moderate Resolution Imaging Spectroradiometer of NASA’s Earth Observing System, International Journal of Remote Sensing, 21, 1433-1460.
Teillet, P.M., El Saleous, N., Hansen, M.C., Eidenshink, J.C., Justice, C.O., and Townshend, J.R.G., 2000, An evaluation of the global 1-km AVHRR land data set, International Journal of Remote Sensing, 21, 1987-2021.

DeFries, R., Hansen, M., and Townshend, J., 2000, Global continuous fields of vegetation characteristics: A linear mixture model applied to multiyear 8km AVHRR data, International Journal of Remote Sensing, 21, 1389-1414.

Scepan, J., Menz, G., and Hansen, M., 1999, The DISCover validation image interpretation process, Photogrammetric Engineering and Remote Sensing, 65, 1075-1081.
DeFries, R., Townshend, J. R. G. and Hansen, M., 1999, Continuous fields of vegetation characteristics at the global scale at 1km resolution, Journal of Geophysical Research - Atmospheres, 104, 911-916 & 925.
DeFries, R., Hansen, M., Townshend, J.R.G., and Sohlberg, R., 1998, Global land cover classifications at 8 km spatial resolution: The use of training data derived from Landsat imagery in decision tree classifiers, International Journal of Remote Sensing; 19, 3141 – 3168.
DeFries, R., Hansen, M., Steininger, M., Dubayah, R., Sohlberg, R., and Townshend, J., 1997, Subpixel forest cover in Central Africa from multisensor, multitemporal data, Remote Sensing of Environment, 60, 228 – 246.
Hansen, M., Dubayah, R., and DeFries, R., 1996, Classification trees: An alternative to traditional land cover classifiers, International Journal of Remote Sensing, 17, 1075-1081.
DeFries, R., Hansen, M., & Townshend, J. (1995). Global discrimination of land cover types from metrics derived from AVHRR pathfinder data. Remote Sensing of Environment, 54(3), 209–222. http://doi.org/10.1016/0034-4257(95)00142-5

Edited books:

Achard, F. and Hansen, M., (Eds.), 2012, Global Forest Monitoring from Earth Observation, Taylor and Francis, New York, pp. 354.

Book contributions:
Hansen, M.C., Potapov, P., and Turubanova, S., 2012, Use of Coarse Resolution Imagery to Identify Hot Spots of Forest Loss at the Global Scale, in Achard. F. and Hansen, M. (Eds.), Global Forest Monitoring from Earth Observation, Taylor and Francis, New York.

Achard, F., and Hansen, M., 2012, Use of Earth Observation Technology to Monitor Forests over the Globe, in Achard. F. and Hansen, M. (Eds.), Global Forest Monitoring from Earth Observation, Taylor and Francis, New York.

Loveland, T., and Hansen, M., 2012, Global Data Availability from US Satellites: Landsat and MODIS, in Achard. F. and Hansen, M. (Eds.), Global Forest Monitoring from Earth Observation, Taylor and Francis, New York.

Potapov, P., Turubanova, S., Hansen, M., Zhuravleva, I., Yaroshenko, A., and Laestadius, L., 2012, Monitoring Forest Loss and Degradation at National to Global Scales Using Landsat Data, in Achard. F. and Hansen, M. (Eds.), Global Forest Monitoring from Earth Observation, Taylor and Francis, New York.

Belward, A., Achard, F., Hansen, M., Arino, O., 2012, Future Perspectives (Way Forward), in Achard. F. and Hansen, M. (Eds.), Global Forest Monitoring from Earth Observation, Taylor and Francis, New York.

Hansen, M.C., 2012, Classification Trees and Mixed Pixel Training Data, in Remote Sensing of Land Cover: Principles and Applications, Chandra Giri, Ed., Taylor and Francis, New York.

Mayaux, P., Vancutsem, J.-F. P., de Wasseige, C., Defourny, P., Hansen, M.C., and Mane, L., 2012, Continental and Regional Approaches for Improving Land-Cover Maps for Africa,in Remote Sensing of Land Cover: Principles and Applications, Chandra Giri, Ed., Taylor and Francis, New York.

Potapov, P., Hansen, M.C., and Stehman, S.V., 2011, High-latitude forest cover loss in Northern Eurasia, 2000 to 2005. In: Eurasian Arctic land cover and land use in a changing climate, Gutman G., and Reissell A., Eds, Springer Verlag: New York, 37-52.

Carroll, M., Townshend, J., Hansen, M., DiMiceli, C., Sohlberg, R., Wurster, K., 2011, Vegetative Cover Conversion and Vegetation Continuous Fields,in Land Remote Sensing and Global Environmental Change: NASA’s EOS and the science Of ASTER and MODIS, Ramachandran, B., Justice, C. and Abrams, M., Eds., Springer Verlag: New York, 725-745.
Hansen, M. C., and Goetz, S. J, 2005, Characterizing land cover using red and infrared multi-spectral imagery, in Encyclopedia of Hydrological Sciences, ed. Malcom G. Anderson.
Kasischke, E. S., Goetz, S., Hansen, M., Ozdogan, M., Rogan, J., Ustin, S. L., and Woodcock, C. E., 2004, Temperate and boreal forests, in Manual of Remote Sensing, Volume 5 – Natural Resources and Environment, ed. S. L. Ustin. John Wiley and Sons, New York.
Hansen, M. C. and Sohlberg, R. A., 2002. World land cover, in National Geographic Family Reference Atlas, ed. C. Mehler. National Geographic Society, Washington, D. C. 30-31.
Hansen, M. C., et al., 2002. World and continental land cover (images), in National Geographic Concise Atlas of the World, ed. C. Mehler. National Geographic Society, Washington, D. C. 10,34-35,48-49,56-57,66-67,76-77,86-87,94-95,100-101.

Editorial replies:
Sizer, N., Hansen, M.C., Potapov, P.V., Thau, D., Peterson, R., and Anderson, J. Tree Cover Loss Spikes in Russia and Canada, Remains High Globally, Global Forest Watch Blog, April 2, 2015. Retrieved from http://blog.globalforestwatch.org/2015/04/tree-cover-loss-spikes-in-russia-and-canada-remains-high-globally/#more-1235

Hansen, M.C., Stehman, S.V., and Potapov, P.V., 2010, Reply to Reams et al.: Quantifying forest cover change at local and global scales, Proceedings of the National Academy of Sciences, 107, E146.

Hansen, M.C., Stehman, S.V., and Potapov, P.V., 2010, Reply to Wernick et al.: Global scale quantification of forest change, Proceedings of the National Academy of Sciences, 107, E148.

Presentations:
2015, Hansen, M., Potapov, P., Moore, R., Hancher, M., Turubanova, S., Tyukavina, A., Thau, D., Stehman, S., Goetz, S., Loveland, T., Kommareddy, A., Egorov, A., Chini, L., Justice, C., and Townshend, J., High-resolution global maps of 21st-century forest cover change, Brazil Symposium on Remote Sensing, Jao Pessoa, Brazil

2015, Hansen, M., Satellite-based global forest disturbance monitoring in support of landscape conservation, The Society for Conservation GIS 2015 east coast symposium, Washington, DC



Invited Talks
2015, M. Hansen, P. Potapov, S. Turubanova, Y. Talero, A. Krylov, A. Tyukavina, B. Margono, J. Nackoney, P. Amani, and S. Jantz, Advances in Earth Observation: Enabling New Insights into Global Environmental Change, American Association for the Advancement of Science, San Jose, California
2015, Hansen, M., Potapov, P., Townshend, J., and Justice, C., History of global land cover mapping and monitoring using earth observation data, 36th International Symposium on Remote Sensing of the Environment, Berlin, Germany
2015, Hansen, M., Potapov, P., Turubanova, S., Tyukavina, A., Krylov, A., Talero, Y., Amani, P., Wang, L., Hudson, A., Song, X., Molinario, G., Zalles, V., Altstatt, A., and Noel, J., A perspective on global forest monitoring, Google Earth Engine User Summit, Mountain View, California

2015, Nourbakhsh, I., and Hansen, M., Discovering Disruptive Change with Big Data, World Economic Forum, Dalian, CHina, Co-presentation led by Illah Nourbakhsh of Carnegie-Mellon University

2015, Hansen, M. and Potapov, P., A perspective on global forest monitoring, Norwegian Foreign Ministry Meeting, Wageningen University, Netherlands
2015, Hansen, M., Potapov, P., Turubanova, S., Tyukavina, A., Krylov, A., Talero, Y., Amani, P., Wang, L., Hudson, A., Song, X., Molinario, G., Zalles, V., Altstatt, A., and Noel, J., Global forest change, Workshop on Methodologies for Monitoring Forest Change in Central America, San Salvador, El Salvador, Viviana Zalles presented on my behalf.
2015, Hansen, M.C., Krylow, A., Tyukavina, A., Potapov, P.V., and Turubanova, S., Global forest disturbance alerts, Global Landscapes Forum - COP - Session on Pixel perfection for carbon detection: How technologies and communities can curb global emissions from land-use change, Paris, France
2015, Hansen, M., Potapov, P., Turubanova, S., Tyukavina, A., Krylov, A., Talero, Y., Amani, P., Wang, L., Hudson, A., Song, X., Molinario, G., King, L., Zalles, V., Altstatt, A., and Noel, J., Quantifying global land cover, Guest lecture at UCL, Louvain la Neuve, Belgium
2015, Hansen, M., Potapov, P., Turubanova, S., Tyukavina, A., Krylov, A., Talero, Y., Amani, P., Wang, L., Hudson, A., Song, X., Molinario, G., King, L., Zalles, V., Altstatt, A., and Noel, J., Quantifying global land cover, Guest lecture at UNFAO, Rome, Italy
2015, Hansen, M., Potapov, P., Turubanova, S., Tyukavina, A., Krylov, A., Talero, Y., Amani, P., Wang, L., Hudson, A., Song, X., Molinario, G., Zalles, V., Altstatt, A., and Noel, J., Global forest change, Climate technology transfer mechanisms and networks in Latin America and the Caribbean, San Jose, Costa Rica, Skyped into this meeting.

2015, A Perspective on Global Earth Observation Monitoring, 36th International Symposium on Remote Sensing of the Environment, Berlin, Germany, Plenary session panel on Perspectives on the Future of Global Earth Observation

2015, Hansen, M., and Potapov, P., Quantifying forest degradation, Workshop on monitoring forest degradation using remote sensing, Buenos Aires, Argentina

Hansen, M.C., Potapov, P., Turubanova, S., Talero, A., Krylov, A., and Tyukavina, A., Updates on global forest monitoring, Google booth, American Geophysical Union Fall Meeting, San Francisco, CA, Dec. 15-19, 2014.


Hansen, M.C., Potapov, P., Turubanova, S., Talero, A., Krylov, A., and Tyukavina, A., Monitoring forest cover loss with Landsat data, Technologies and innovations to better understand changes in land use, Global Landscapes Forum, Lima, Peru, Dec. 6-7, 2014.
Hansen, M.C., Potapov, P., Turubanova, S., Stehman, S., Tyukavina, A., Krylov, A., Forest Disturbance Mapping with Landsat:  The Potential for Assessing Tropical Forest Protected Areas, NASA Hyperwall at the World Parks Congress, Sydney, Australia, Nov. 12-19, 2014.
Hansen, M.C., Potapov, P., Turubanova, S., Stehman, S., Tyukavina, A., Krylov, A., Global tree cover loss, Global Forest Watch Annual Partnerships Meeting, Washington, D.C., Sep. 29-30, 2014.
Hansen, M.C., Potapov, P., Turubanova, S., Tyukavina, A., Stehman, S., Egorov, A., Krylov, A., and Noel, J., USA, DRC, Peru and Pan-Tropical forest loss area estimation, SilvaCarbon/GFOI Workshop on Accuracy Assessment and Area Estimation, Bogota, Colombia, Sep. 22-23, 2014.
Hansen, M.C., Potapov, P., Turubanova, S., Tyukavina, A., Amani, P., Krylov, A., and Talero, Y.,Sharing our experience and capabilities in large area forest extent and change monitoring, Global Observations of Forests Initiative Summit, Armenia, Colombia, Sep. 17-19, 2014.

Hansen, M.C., Potapov, P., Turubanova, S., Stehman, S., Tyukavina, A., University of Maryland forest mapping update, Guyana REDD+ Meeting, Georgetown, Guyana, Sep. 7-9, 2014.

Hansen, M.C., Potapov, P. King, L., Adusei, B., Mapping crop type at national scales, visit by Brazilian National Supply Company (CONAB), College Park , MD, July 14-16, 2014.
Hansen, M.C., Potapov, P., Moore, R., Hancher, M., Turubanova, S., Tyukavina, A., Thau, D., Stehman, S., Goetz, S., Loveland, T., Kommareddy, A., Egorov, A., Chini, L., Justice, C. and Townshend, J., Monitoring global forest change at local scales using earth observation data, WWF Science for Nature seminar series, Washington, D.C., June 19, 2014.
Hansen, M.C., Potapov, P., Turubanova, S., Stehman, S., Tyukavina, A., Mane, L., Altstatt, A., Nackoney, J., Amani, P., Munzimi, Y., and Molinario, G., Deforestation in the Congo Basin: How Will it Affect the Development of the Region?, World Bank Africa REDD+ Seminar Series, Washington, D.C., with connections to Kinshasa, DRC, Brazzaville, RoC, and Yaounde, Cameroon, June 18, 2014.
Hansen, M.C., Potapov, P., Turubanova, S., Dempewolf, J., Mapping with Landsat data, STARS kick-off meeting, University of Twente, Enschede, Netherlands, June 10-11, 2014.
Hansen, M.C., Potapov, P., Turubanova, S., Tyukavina, A., Stehman, S., Global forest monitoring using Landsat data, World Bank Learning Seminar - Forest Carbon Finance:  Global Forest Watch - See what is happening in forests worldwide, Washington, D.C., May 22, 2014.
Hansen, M.C., Google Earth Engine, Forest Cover Change case, Annual LP DAAC UWG Technical Exchange, Sioux Falls, SD, April 22-23, 2014.

Hansen, M.C., Potapov, P., Moore, R., Hancher, M., Turubanova, S., Tyukavina, A., Thau, D., Stehman, S., Goetz, S., Loveland, T., Kommareddy, A., Egorov, A., Chini, L., Justice, C. and Townshend, J., Global land monitoring using Landsat data, presentation to Data Science MD, Columbia, MD, April 10, 2014.

Hansen, M.C., Potapov, P., Moore, R., Hancher, M., Turubanova, S., Tyukavina, A., Thau, D., Stehman, S., Goetz, S., Loveland, T., Kommareddy, A., Egorov, A., Chini, L., Justice, C. and Townshend, J., Global land monitoring using Landsat data, Program in Science, Technology and Environmental Policy seminar series, Princeton University, Princeton, NJ, April 7, 2014.   
Hansen, M.C., Potapov, P., Moore, R., Hancher, M., Turubanova, S., Tyukavina, A., Thau, D., Stehman, S., Goetz, S., Loveland, T., Kommareddy, A., Egorov, A., Chini, L., Justice, C. and Townshend, J., Global land monitoring using Landsat data, AniMove 2014 training course, Smithsonian-Mason School of Conservation,  Smithsonian Conservation Biology Institute, Front Royal, VA, April 1, 2014.
Hansen, M.C., Potapov, P., Turubanova, S., Stehman, S., Tyukavina, A., Mane, L., Altstatt, A., Nackoney, J., Amani, P., Munzimi, Y., and Molinario, G., Justice, C., Tucker, J., Forest extent and change, International conference on land use change and forest biomass in Central Africa, Libreville, Gabon, March 21-22, 2014.
Hansen, M.C., Potapov, P., Turubanova, S., Tyukavina, A., Stehman, S., Using remote sensing to monitor global forests, presentation at the University of Marien Ngouabi, Brazzaville, Republic of Congo, Mar. 16, 2014.
Hansen, M.C., Potapov, P., Turubanova, S., Tyukavina, A., Stehman, S., Global forest monitoring using Landsat data, Meeting on the need and potential of global maps to guide national results-based forest monitoring, Norwegian Space Center, Oslo, Norway, March 3-4, 2014.

Hansen, M.C., Becker-Reshef, I., Justice, C., Dempewolf, J., Potapov, P., and Adusei, B., Agricultural monitoring using MODIS, Landsat and RapidEye data sets, presentation to the National Geospatial Intelligence Agency, Springfield, VA, March 4, 2014.

Hansen, M.C., Project overview, thematic definitions and prioritization, MEaSUREs Vegetation Continuous Field Modeling Working Group, College Park, Maryland, Feb. 25, 2014.
Hansen, M.C., Potapov, P., Margono, B., Turubanova, S., Stolle, F., Moore, R., Hancher, M., Tyukavina, A., and Stehman, S., Global forest cover loss and Indonesia primary forest cover loss, 2nd Roundtable Discussion on Deforestation Calculation: Linking Science and Policy: Current Science Community Results on Deforestation Estimates and its Contribution to Enhance the Robustness of National Forest Governance, Jakarta, Indonesia, Feb. 7, 2014
Hansen, M.C., Justice, C., Tucker, J., Mane, L., Altstatt, A., Potapov, P., Turubanova, S., Stehman, S., Nackoney, J., Tyukavina, A., Amani, P., Munzimi, Y., and Molinario, G., NASA/UMd/OSFAC consortium, CARPE Partners Central Africa Regional Program for the Environment (CARPE) Partners Meeting, Washington, D.C., Jan. 27-28.
Hansen, M.C., Potapov, P., Moore, R., Hancher, M., Turubanova, S., Tyukavina, A., Thau, D., Stehman, S., Goetz, S., Loveland, T., Kommareddy, A., Egorov, A., Chini, L., Justice, C. and Townshend, J., Observing the forest and the trees:  the first high resolution map of global forest change, User needs and future system solutions for low-cost high-resolution (1-5m) optical satellite data for global forest monitoring maps, Norwegian Space Center, Oslo, Norway, January 16-17.
Hansen, M.C., Earth observation data and derived products as a set of facts, presentation to the Planet Labs Impact Advisory Working Group, San Francisco, CA , January 13-14.

Hansen, M.C., Potapov, P.V., Turubanova, S., Tyukavina, A., Egorov, A., Roy, D., Moore, R., Hancher, M., Thau, D., Ilyushchenko, S., Goetz, S., Baccini, A., Loveland, T., and Giri, C., Towards monitoring of global land dynamics with Landsat data, Michigan Tech University, Ann Arbor, Michigan, February 14, 2013.

Hansen, M.C., Chair, Roundtable Discussion: Towards a Robust and Internationally Recognized Deforestation Accounting Methodology, hosted by the President’s Delivery Unit on Development Monitoring and Oversight (UKP4) for Indonesia, Jakarta, Indonesia, February 7-8, 2013.
Hansen, M.C., Potapov, P.V., Turubanova, S., Tyukavina, A., Egorov, A., Roy, D., Moore, R., Hancher, M., Thau, D., Ilyushchenko, S., Goetz, S., Baccini, A., Loveland, T., and Giri, C., Towards monitoring of global forest disturbance with Landsat data, Identifying the Top 10 Conservation Challenges that Can Be Answered Through Remote Sensing Technologies, National Conservation Training Center, Shepardstown, West Virginia, January 7-11, 2013.
INCAS (Indonesian National Carbon Accounting Systems) meeting in Jakarta. November 13 – 17, 2012.
LUC emission, data and modeling meeting at Exeter. October 17 – 19, 2012.
Hansen, M.C., Potapov, P.V., Turubanova, S., Tyukavina, A., Egorov, A., Roy, D., Moore, R., Hancher, M., Thau, D., Ilyushchenko, S., Goetz, S., Baccini, A., Loveland, T., and Giri, C., Towards monitoring of global land dynamics, SBSC Launch symposium “Spatial Biodiversity Science and Conservation at a Global Scale”, Yale University, New Haven, Connecticut, October 23-24, 2012.
Hansen, M.C., Carpe and earth observation science, presentation to Jane Goodall and team from the Jane Goodall Institute, College Park, Maryland, October 12, 2012.
Hansen, M.C., Potapov, P.V., Turubanova, S., Egorov, A., and Tyukavina, A., Large area forest monitoring with Landsat, ForestSAT 2012, Corvallis, Oregon, September 11-14, 2012.

Hansen, M.C., Mueller, R., Loveland, T., Stehman, S., Becker-Reshef, I., Rudorff, B., Shimabukuro, Y., DiBella, C., and McCarty, J., Integrating MODIS crop characterization capabilities with AWiFS and agricultural survey data in support of USDA NASS DSS and Advancing methods for global crop area estimation, NASA Applied Sciences Program, Water Resources PI Team Meeting, NASA Ames Research Center, Moffett Field, California, September 5-6, 2012.

Hansen, M.C., Potapov, P.V., and Turubanova, S., Forest Cover Monitoring with Landsat and MODIS Data, Presentation to the Peru Ministry of Environment, Lima, Peru, July 20, 2012.
Hansen, M.C., Potapov, P.V., Turubanova, S., and Tyukavina, S., Sixth GEO-FCT Workshop on Forest Monitoring, San Jose, Costa Rica, August 20-24, 2012.
Hansen, M.C., Justice, C., Becker-Reshef, I., Dempewolf, J., Sullivan, M., Guindin, N., Adusei, B., King, L., Noel, J. and Ernst, C., Monitoring croplands with MODIS and Landsat data, The National Space Agency of Pakistan (SUPARCO), Islamabad, Pakistan, June 22, 2012.
Hansen, M.C., CARPE and earth observation science, United States Agency for International Development Geographic Intelligence Center, Washington, DC, May 29, 2012.
Hansen, M.C., Potapov, P.V., DiMiceli, C., Sohlberg, R., and Carroll, M., MODIS continuous fields for large area monitoring of land cover, MODIS Science Team Meeting, Silver Spring, MD, May 7-8, 2012.
Hansen, M.C., Potapov, P.V., and Turubanova, S., National-scale monitoring of Indonesia forest cover, Indonesia One Map Study Visit, USGS Headquarters, Reston, VA, April 24, 2012.
Hansen, M.C., Potapov, P.V., and Turubanova, S., Methods overview for national-scale monitoring of Indonesia forest cover, Forest mapping and monitoring workshop, Indonesia Space Agency Headquarters, Jakarta, Indonesia, April 16-20, 2012.
Hansen, M.C., Global cultivated soybean area estimation using multi-resolution, multi-temporal satellite data sets, Opening of Joint Center on Global Change and Earth System Science between the University of Maryland and Beijing Normal University, College Park, MD, February 28, 2012.

Hansen, M.C., Potapov, P., Turubanova, S., Loveland, T., Giri, C., Roy, D., and Egorov, A., Global land cover monitoring – progress and remaining challenges, International Symposium on Remote Sensing and GIS Methods for Change Detection and Spatio-temporal Modelling, Hong Kong, China, December 14-17, 2011.

Hansen, M.C., Potapov, P., Turubanova, S., Roy, D., Egorov, A., Loveland, T., and Giri, C., Mapping national land cover disturbance for the continental United States, American Geophysical Union Annual Meeting, San Francisco, CA, December 5-9, 2011.
Hansen, M.C., Potapov, P., Turubanova, S., Roy, D., Egorov, A., Loveland, T., and Giri, C., Monitoring U.S. land cover change, National Climate Assessment (NCA) Land Use-Land Cover (LULC) National Stakeholder Workshop, Salt Lake City, November 29-December 1, 2011.
Hansen, M.C., Potapov, P., Turubanova, S., Loveland, T., Giri, C., Roy, D., and Egorov, A., Forest cover monitoring with MODIS and Landsat data, Presentation to the Peru Ministry of Environment, Lima, Peru, November 18, 2011.
Hansen, M.C., Potapov, P., Turubanova, S., Loveland, T., and Giri, C., Global land cover mapping, PECORA 18 – Forty Years of Earth Observations…Understanding a Changing World, Herndon, VA, November 14-17, 2011.
Hansen, M.C., Potapov, P.V., Turubanova, S., Arunarwati, B., and Broich, M., MODIS and Landsat regional products – example of Indonesia forest monitoring, Workshop of Land Cover Land Use Change, Southeast Asia, Hanoi, Vietnam, November 5-11, 2011.
Hansen, M.C. and Potapov, P.V., Challenges to quantifying degradation using Landsat data, SilvaCarbon Workshop on Forest Degradation and Associated Emissions, Westin Hotel, Washington, D.C.., October 24-26, 2011.
Hansen, M.C., Wetland mapping in Indonesia – examples of potential data inputs, Indonesia One Map Initiative Team Meeting, United States Forest Service International Programs Office, Washington, D.C. October 12, 2011.

Hansen, M.C., Global crop type assessment – soybean area estimation, Carbon Cycle and Ecosystems Science Joint Workshop, Land Cover and Land Use Change program side session, Alexandria, VA, October 3-7, 2011.

Hansen, M.C., Advancing methods for global crop area estimation, Chinese Academy of Agricultural Engineering, Beijing, China and Harbin, China, September 26-30, 2011.
Hansen, M.C., Global land cover data sets, Characterizing and Validating Global Agricultural Landcover, IIASA Conference Center, Laxenburg, Austria, June 13-15, 2011
Hansen, M.C., The Geographic Information Science Center of Excellence, Presentation to visiting Department of Interior dignitaries, SDSU, Brookings, SD, May 23, 2011
Hansen, M.C., Potapov, P., Stehman, S., Egorov, A., Broich, M., Turubanova, S., Adusei, B., Arunarwati, B., Roy, D., Lindquist, E., and Goetz, S., Towards global land cover change monitoring, MODLAND Science Team Meeting, Adelphi, MD, May 18-20, 2011.
Hansen, M.C., Global land cover monitoring using remotely sensed data sets, Series of presentation to faculty, staff and students at the Institut National Polytechnique de Toulouse (INPT), Ecole Nationale Supérieure Agronomique (ENSAT), Toulouse, France, May 3-13, 2011.
Hansen, M.C., The Geographic Information Science Center of Excellence, Presentation to the South Dakota State University Board of Trustees, SDSU Union, Brookings, SD, April 29, 2011
Hansen, M.C., Potapov, P., Egorov, A., Broich, M., Turubanova, S., Adusei, B., Arunarwati, B., Roy, D., and Ju, J., Forest cover mapping, SilvaCarbon Workshop on Estimating Forest Carbon Stocks, International Programs Office of the U.S. Forest Service, Washington, DC, April 18-19, 2011.

Hansen, M.C., Potapov, P., Egorov, A., Broich, M., Turubanova, S., Adusei, B., Arunarwati, B., Roy, D., and Ju, J., Towards global monitoring of forest cover, 34th International Symposium on Remote Sensing of Environment, Sydney, Australia, April 10-15, 2011.

Hansen, M.C., Potapov, P., Egorov, A., Broich, M., Turubanova, S., Adusei, B., Arunarwati, B., Roy, D., and Ju, J., National-scale mapping of land cover and change with Landsat data, NASA LCLUC program meeting, Adelphi, MD, March 28-30, 2011.
Hansen, M.C., Potapov, P., Broich, M., Turubanova, S., Adusei, B., and Arunarwati, B., National scale disturbance mapping in support of REDD monitoring systems, American Geophysical Union Annual Meeting, San Francisco, CA, December 13-17, 2010.
Hansen, M.C., Google Earth Engine, UNFCCC Conference of the Parties 16 side-event sponsored by Google, (presented on Landsat data policy and cloud computing, with Mexico example), Cancun, Mexico, December 2, 2010.
Hansen, M.C., Towards 30m global land cover, EROS visit by Matt Larsen (Associate Director, USGS) and Anne Castle (DOI Assistant Secretary for Water and Science), November 3-4, 2010.
Hansen, M.C., Fundamentals of remote sensing and forest cover and change mapping, Technical Training and Planning Workshop – Quantifying Forest Degradation and Associated Greenhouse Gas Emissions in the Republic of Congo, Brazzaville, Republic of Congo, October 12-18, 2010.
Hansen, M.C., Mane, L., and Souza, C., Présentation des méthodologies de mesure et de suivi des changements de la couverture forestière et de la dégradation, Technical Training and Planning Workshop – Quantifying Forest Degradation and Associated Greenhouse Gas Emissions in the Republic of Congo, Brazzaville, Republic of Congo, October 12-18, 2010.

Hansen, M.C., Potapov, P. Broich, M., Stehman, S., Turubanova, S., Adusei, B., Arunarwati, B., Roy, D., and Lindquist, E., Global land cover monitoring using remotely sensed data sets, University of North Carolina at Charlotte Department of Geography and Earth Sciences seminar, Charlotte, NC, September 24, 2010.

Hansen, M.C., Potapov, P.V., Broich, M., and Arunarwati, B., Monitoring Indonesia forest cover and change, U.S. Forest Service meeting on REDD Monitoring, Reporting and Verification in Indonesia, Boise, ID, September 14, 2010, (via teleconference)..
Hansen, M.C., The Geographic Information Science Center of Excellence, SDSU campus visit by Senator Tim Johnson and USGS Director Marcia McNutt, September 1, 2010
Hansen, M.C., Towards 30m global land cover, EROS visit by the Office of Management and Budget, August 17-18, 2010.
Hansen, M.C., Potapov, P.V., Stehman, S.V., and Broich, M., MODIS VCF and change: Global disturbance monitoring, IEEE Geoscience and Remote Sensing Society2010 annual meeting, Honolulu, HI, July 25-30, 2010.
Hansen, M.C., Potapov, P.V., Stehman, S.V., Broich, M., and Arunarwati, B., Forest mapping and monitoring with Landsat data, REDD MRV Workshop, Ford Foundation, Jakarta, Indonesia, July 20, 2010.
Hansen, M., Potapov, P., Broich, M., Turubanova, S., Adusei, B.., Arunarwati, B., and Stehman, S., Global forest change monitoring system using multi-resolution and multi-temporal remotely sensed data, Living Planet Symposium, Bergen, Norway, June 27 – July 2, 2010.
Hansen, M., Potapov, P., Broich, M., Turubanova, S., Adusei, B. Arunarwait, B., Lindquist, E., Roy, D., Altstatt, A., Mane, L., Justice, C., and Goetz, S., GEO Forest Carbon Tracking Task and Science Data Summit, Woods Hole Research Center, Woods Hole, MA, May 11-12, 2010.

Hansen, M., Potapov, P., Broich, M., Stehman, S., Turubanova, S., Adusei, B., Arunarwati, B., Lindquist, E., and Goetz, S., Producing Composite Imagery and Forest Cover and Change Characterizations, NASA LCLUC program meeting, Bethesda, MD, April 20-22, 2010.

Hansen, M.C., Pittman, K., Annual corn and soybean cultivated area estimation for the United States using MODIS data, Association of American Geographers Annual Meeting, Washington, D.C., April 14-18, 2010.
Hansen, M. and Potapov, P., MODIS VCF-based forest cover change, in Earth Science Data Records (ESDR) of Global Forest Cover Change – Science Review, NASA MEASURES program science review, College Park, MD, April 10, 2010.
Hansen, M., Global environmental change quantified from space, Leadership Brookings Meeting, Brookings, SD, March 11, 2010.
Hansen, M., Potapov, P., Broich, M., Lindquist, E., and Adusei, B., Mass Processing Landsat for Monitoring Forest Cover Changes in the Humid Tropical and Boreal Biomes, Landsat Science Team Meeting, Mountain View, CA, January 19-21, 2010.
Hansen, M., Pittman, K., Adusei, B., Mueller, R., Johnson, D., Feedstock crop type mapping project, North Central Region Sun Grant Annual Meeting, Reno, NV, January 12-13, 2010.
Hansen, M., Potapov, P., Stehman, S., Broich, M., Adusei, B., and Lindquist, E., Global Forest Change Monitoring System Using Multi-Resolution and Multi-Temporal Remotely Sensed Data, Norwegian Space Center, Oslo, Norway, January 11-12, 2010, (via teleconference).
Hansen, M., Methods for mapping cloud and shadow cover in Landsat imagery, Training workshop on Landsat mapping in support of INCAS, Indonesian Space Agency (LAPAN), Jakarta, Indonesia, December 14-17, 2009.

Hansen, M., Workshop on multi-temporal, multi-spectral agricultural monitoring methods for crop cover estimation, Chinese Academy of Agricultural Engineering, Chinese Ministry of Agriculture, Beijing, China, November 22, 2009.

Hansen, M., Pittman, K., Adusei, B., Mueller, R., and Johnson, D., Mapping crop type in support of USDA agriculture monitoring, GIScCE, Geographic Information Science Center of Excellence Spring Seminar Series, South Dakota State University, Brookings, SD, December 7, 2009.
Hansen, M., Stehman, S., Potapov, P., Broich, M., Lindquist, E., Adusei, B. and Arunarwati, B., Methods for monitoring large area forest cover change – OSFAC’s implementation in support of CARPE, OSFAC (Observatoire Satellital des Forêts d'Afrique Centrale), Kinshasa, Democratic Republic of the Congo, October 21, 2009.
Hansen, M., Potapov, P., Broich, M., and Lindquist. E., Mass Processing Landsat for Forest Change Estimation, American Society of Photogrammetry and Remote Sensing Upper Midwest Chapter Meeting, USGS EROS, Garretson, SD, October 5-7, 2009.
Hansen, M., Stehman, S., Potapov, P., Broich, M., Lindquist, E., Adusei, B. and Arunarwati, B., Global Forest Cover Monitoring Using Remotely Sensed Data Sets, Ecology & Environmental Biology seminar, South Dakota State University, Brookings, SD, September 24, 2009.
Hansen, M., Potapov, P., Broich, M., Turubanova, S., Adusei, B., and Lindquist, E., Global forest monitoring using Landsat, Landsat User Workshop, USGS EROS, Garretson, SD, September 21, 2009.
Hansen, M., Mapping algorithms and themes for forest cover mapping using multi-spectral data sets, Training workshop on MODIS and Landsat mapping in support of INCAS, Indonesian Space Agency (LAPAN), Jakarta, Indonesia, August 18-21, 2009.

Hansen, M., Bankanza, B., Munzimi, Y., Broich, M., Lindquist, E., and Potapov, P., Congo Basin forest cover in global and regional contexts, Central Africa Forests and Institutions (CAFI) research project advisory meeting, Ann Arbor, MI, May 7-8, 2009.

Hansen, M., Stehman, S., Potapov, P., Broich, M., Lindquist, E., Adusei, B. and Arunarwati, B., Global forest cover loss, 2000 to 2005, Geographic Information Science Center of Excellence Spring Seminar Series, South Dakota State University, Brookings, SD, April 20, 2009.
Hansen, M. and Potapov, P., Global tree cover mapping and Landsat sample block staging, FRA2010 Remote Sensing Survey workshop, Rome, Italy, March 30 – April 3, 2009.
Hansen, M., Potapov, P., Stehman, S., and Pittman, K., Global gross forest cover loss and carbon release, Association of American Geographers Annual Meeting, Las Vegas, NV, March 22-29, 2009.
Hansen, M., Pittman, K., and Chang, J., Biofuel Feedstock Mapping: Integrating MODIS and AWIFS Data for Operational Crop Type Monitoring, American Society of Photogrammetry and Remote Sensing Annual Meeting, Baltimore, MD, March 9-13, 2009. (given by Rick Mueller of USDA NASS SARS)
Hansen, M.C., Stehman, S.V., Potapov, P.V., Arunarwati, Usman, A.B., Rahman, S.,Sari, R., Napitupulu, D., Lindquist, E., Broich, M., and Bankanza, B., Using MODIS and Landsat to monitor forest cover: examples in support of Indonesia forest monitoring, Remote Sensing Meeting in Support of the Indonesian National Carbon Accounting System, February 9-11, 2009.
Hansen, M.C., Stehman. S.V. and Potapov, P.V., Global forest cover loss, 2000-2005, REDD Capacity Development Workshop on: Forest Area Change Assesssment: The Experience of Existing Operational Systems, INPE, San Jose dos Campos, Brazil, February 4-6, 2009.

Hansen, M.C., Stehman, S.V., Potapov, P.V., Arunarwati, Usman, A.B., Rahman, S.,Sari, R., Napitupulu, D., Lindquist, E., Broich, M., and Bankanza, B., Indonesia and the Democratic Republic of Congo: Using MODIS and Landsat to monitor forest cover change, REDD Capacity Development Workshop on: Forest Area Change Assesssment: The Experience of Existing Operational Systems, INPE, San Jose dos Campos, Brazil, February 4-6, 2009.

Hansen, M. C., Brazil’s Forest Ecosystems in the Context of Global Forest Cover Loss, Symposium on Brazil: A Rising Power in the New Global Order, South Dakota State University, January 30, 2009.
Hansen, M.C., Justice, C.O., Potapov, P.V., Stehman, S.V., Lindquist, E., and Broich, M., Using MODIS and Landsat for monitoring forest cover and change, NASA-LCLUC Science Team Joint Meeting with MAIRS, GOFC-GOLD and SEA START Programs on Land-Cover/Land-Use Change Processes in Monsoon Asia Region, Khon Kaen, Thailand, January 12-17, 2009.
Hansen, M.C., Stehman, S.V., Potapov, P.V., Lindquist, E., and Broich, M., Monitoring large area forest cover change using multi-resolution satellite data sets, American Geophysical Union fall meeting, San Francisco, CA. December 15-19, 2008.
Hansen, M.C., FAO/FRA 2010 block processing update – proposed approach, FAO FRA 2010 Remote Sensing Survey Project Review Meeting, Ispra, Italy, November 20-21, 2008.
Hansen, M.C., Stehman, S. V., and Potapov, P. V., Mapping the Boreal zone – forest cover and forest cover loss 2000 to 2005, 3rd GOFC-GOLD Land Cover Symposium, Jena, Germany, October 12-17, 2008.
Hansen, M.C., Accuracy assessment of land cover change products – MODIS/Landsat, 3rd GOFC-GOLD Land Cover Symposium, Jena, Germany, October 12-17, 2008.
Hansen, M.C., MODIS/Landsat monitoring, 3rd GOFC-GOLD Land Cover Symposium, Jena, Germany, October 12-17, 2008.

Hansen, M.C., Forest monitoring integrating MODIS and Landsat data sets, Forest Resources Information System Workshop, Ministry of Forestry, Indonesia, Jakarta, Indonesia, September 11, 2008.

Hansen, M.C., Remote sensing and terrestrial monitoring systems, Seminar given to the Catholic University of Louvain Unit of Environmetrics and Geomatics, June 9, 2008, Louvain-la-Neuve, Belgium.
Hansen, M.C., Mueller, R., Pittman, K., and Chang, J., Mapping feedstocks using remotely sensed datasets, South Dakota and Biofuels 2008 meeting sponsored by South Dakota Agriculture and Energy, North Central Sun Grant Initiative, and the Western Governor’s Association, May 20, 2008, Brookings, SD.
Hansen, M.C., Potapov, P., Stehman, S., Pittman, K., Loveland, T., Carroll, M., and DiMiceli, C., Mapping the Boreal zone – forest cover and forest cover loss 2000 to 2005, 2008 NASA Carbon Cycle and Ecosystems Joint Science Workshop, April 28-May 2, 2008, Adelphi, MD.
Hansen, M.C., Pittman, K., Chang, J., Carroll, M., and DiMiceli, C., MODIS Vegetation Continuous Fields of Crop Type in Support of NASS Annual Crop Indicator Mapping, Association of American Geographers Annual Meeting, Boston, MA, April 15-19, 2008.
Hansen, M.C. et al., CARPE monitoring of the Congo Basin – results and ideas for REDD monitoring, CBFP-COMIFAC Workshop on REDD, Paris, France, April 10-14, 2008.
Hansen, M.C., Potapov, P., Pittman, K., and Stehman. S., Biome-scale forest cover loss monitoring in support of FRA 2010, 1st Meeting of the FRA 2010 Remote Sensing Task Force, 4-5 March 2008, Rome, Italy.
Hansen, M. C., Convergence of evidence for global warming, Focus the Nation on Global Warming, January 30-31, South Dakota State University, Brookings, SD.

Hansen, M.C., Forest cover monitoring of the Congo Basin, CIFOR Forest Day UNFCCC Side-Event, December 8, 2007, Nusa Dua, Bali, Indonesia.

Hermawan, I. and Hansen, M.C., Indonesia forest monitoring, Indonesian Forestry Action for Reducing Emissions Workshop, Ministry of Forestry of Indonesia, December 6-7, 2007, Nusa Dua, Bali, Indonesia.
Hansen, M.C., Stehman, S., Potapov, P., Pittman, K., and Loveland, T., Pan-tropical forest clearing, 2000-2005, American Geophysical Union fall meeting, San Francisco, CA. December 10-15, 2007.
Loveland, T.R., and Hansen, M.C., Trends in mapping, measuring and monitoring land cover change, American Geophysical Union fall meeting, San Francisco, CA. December 10-15, 2007.
Hansen, M.C., REDD and FRA 2010 activity, GOFC-GOLD Executive Commitee and LC-IT Planning meeting, October 23-26, 2007, Boston, MA.
Hansen, M. C., Monitoring deforestation with remote sensing (can we estimate carbon stocks in a robust, consistent, affordable way at the national level), 2007 Science for Nature Symposium: Reducing Emissions from Deforestation, World Wildlife Fund, October 18-19, 2007, Washington, D. C.
Hansen, M. C., Convergence of evidence for global warming, South Dakota Climate Challenge Conference: Strategies for the Future, September 28-30, South Dakota Wildlife Federation, Sioux Falls, SD.
Hansen, M. C., MODIS/Landsat forest cover and change estimation for Indonesia, address delivered to the Minister of Forestry of Indonesia, Malam Sambat Kaban, and his staff, Ministry of Forestry of Indonesia, August 28, 2000, Jakarta, Indonesia.

Hansen, M.C., Chang, J. and Pittman, K., Monitoring global and regional croplands using MODIS data, Association of American Geographers Annual Meeting, April 17-21, 2007, San Francisco, CA.

Hansen, M.C., Establishing a global forest monitoring capability using multi-resolution and multi-temporal remotely sensed data sets, NASA Land Cover and Land Use Change Science Team Meeting, April 4-6, 2007, College Park, MD.
Hansen, M.C., The Geographic Information Science Center of Excellence, South Dakota State University Research Day, January 25, 2007.
Hansen, M.C., MODIS time-series maps of sub-pixel land cover, USFS RSAC Forest Disturbance Mapping Workshop, November 29-30, 2006, Salt Lake City, UT.
Hansen, M.C., Monitoring global land cover, Global Vegetation Workshop Break-Out Group on Land Cover and Change Monitoring (session chair), August 8-10, 2006, Missoula, MT.
Wardoyo, W., Hansen., M.C., and Arunarwati, B., Forest monitoring system using MODIS: Preliminary study in Indonesia, World Resources Institute Meeting on the Use of a New Remote Sensing Product in Forest Law Enforcement and Governance in Indonesia, August, 3, 2006, Washington, DC.
Hansen, M.C., Mapping tropical forest change using remotely sensed data sets, , World Resources Institute Meeting on the Use of a New Remote Sensing Product in Forest Law Enforcement and Governance in Indonesia, August, 3, 2006, Washington, DC.
Hansen, M.C., The Geographic Information Science Center of Excellence, South Dakota Board of Regents Meeting, June 22, 2006, Brookings, SD.
Hansen, M.C., Mapping tropical forest change using remotely sensed data sets, 37th Annual South Dakota State Geography Convention, April 6-7, 2006, Brookings, SD.

Hansen, M. C., State of the forest and remote sensing, State of the Forest 2006 Meeting, Congo Basin Forest Partnership, March 15-17, 2006, Kinshasa, Congo.

Hansen, M.C., Tropical forest monitoring integrating MODIS percent tree cover maps and Landsat data, GOFC-GOLD Symposium on Forest and Land Cover Observations, March 21-25, 2006, Jena, Germany.
Hansen, M. C., Townshend, J. R. G., Loveland, T. R., Pittman, K., and Carroll, M., Multi-Resolution Methods for Mapping Tropical Forest Change, American Geophysical Union Fall Meeting, San Francisco, December 5-9, 2005, U.S.A.
Townshend, J. R. G., Hansen, M. C., Sohlberg, R. A., DeFries, R. S., and Schleeweis, K., Towards A Community Protocol for Validating Global Climate Data Records Representing Sub-Pixel Land Cover Components and Changes Through Time Using AVHRR, MODIS and VIIRS, American Geophysical Union Fall Meeting, San Francisco, December 5-9, 2005, U.S.A.
Hansen, M. C., Multi-Resolution, Multi-Temporal Global Forest Monitoring Using MODIS and Landsat Data, Second International Conference “Earth from Space – The Most Effective Solutions”, ScanEx, Inc., Moscow, December 1-2, 2005, Russia.
Hansen, M. C., Improving global land cover mapping using remotely sensed data sets, Department of Geography, University of Minnesota, Minneapolis, November 11, 2005, U.S.A.
Hansen, M. C., Monitoring global land cover using sub-pixel cover estimations, Pecora 16, Sioux Falls, October 23-27, 2005, U.S.A.
Laestadius, L., Hansen, M. C., and Ranganathan, J., Independent, operational forest monitoring tools that support FLEG & FLEGT, United Nations Forum on Forests, Fifth Session, New York, 16 - 27 May 2005, U.S.A.
Hansen, M. C., Global forest change mapping using MODIS data from 2000 to 2004, American Association of Geographers Annual Meeting, Denver, April 5 - 9, 2005, USA.

Hansen, M. C., Operational monitoring of Indonesian forest cover using MODIS data, Workshop on Forest Monitoring System Using Remote Sensing Data, Indonesian Ministry of Forestry, Jakarta, March 29, 2005, Indonesia

Hansen, M. C., Operational monitoring of global percent tree cover, 3rd Expert Meeting on Harmonizing Forest-related Definitions for Use by Various Stakeholders, United Nations Food and Agriculture Organization, Rome, January 17-19, 2005, Italy.

Hansen, M. C., Townshend, J. R. G., and DeFries, R. S., Validating global continuous fields of vegetative cover – an update, Committee on Earth Observing Satellites Land Cover Validation Workshop, Boston University, February 2-4, 2004.
Hansen, M. C., Tree cover mapping in the Kalahari Transect using multi-resolution data sets, SAFARI 2000 Synthesis Workshop, October 2002, Charlottesville, Virginia.
Hansen, M. C., DeFries, R. S., Townshend, J. R. G., and Sohlberg, R. A., Continuous fields of tree cover for the United States using multi-resolution satellite data, 9th Forest Service Remote Sensing Applications Conference, April 2002, San Diego, California.
Hansen, M. C., Global mapping of forest cover, address to the Service Permanent d'Inventaire et d'Amenagement Forestier, Government of the Democratic Republic of the Congo, March 2002, Kinshasa, DRC.
Hansen, M. C., DeFries, R. S., Zhan, X., Sohlberg, R. A., and Townshend, J. R. G., Continuous fields of vegetation characteristics from MODIS data, American Geophysical Union, December, 2000.
Hansen, M. C., Towards operational global forest monitoring using remotely sensed data, Meeting of the Mid-Atlantic Division of the Association of American Geographers, October 2000, Washington, D. C.
Hansen, M. C. and Townshend, J. R. G., Validating global land cover data sets, 19th ISPRS Congress, July 2000, Amsterdam, Netherlands.

Hansen, M. C., and DeFries, R. S., Continuous fields of vegetation properties derived from remotely sensed data, 96th Annual Meeting of the Association of American Geographers, April 2000, Pittsburgh, Pennsylvania.

Hansen, M. C., DeFries, R. S., Townshend, J. G. R. and Sohberg. R. A., 1999, A global land cover classification at a spatial resolution of 1km, 95th Annual Meeting of the Association of American Geographers, March 1999, Honolulu, Hawaii.

Recent grant funding:
Project/Proposal Title: Preparatory Activities in Support of Global Forest Watch 2.0

PI: Matthew C. Hansen

Source of Support: World Resources Institute

Total Award Period: 2011-2013

Total Award Amount: $1,698,526
Project/Proposal Title: Spatially Explicit Annual Sources and Sinks of Carbon From Deforestation

PI: Matthew C. Hansen

Source of Support: Woods Hole Research Center

Total Award Period: 2013 - 2015

Total Award Amount: $1,750,000
Project/Proposal Title: Landsat Data Processing and Subsetting of North America Imagery

PI: Matthew C. Hansen

Source of Support: Commission for Environmental Cooperation

Total Award Period: 2013

Total Award Amount: $93,000
Project/Proposal Title: Quantifying global land cover change

PI: Matthew C. Hansen

Source of Support: Gordon and Betty Moore Foundation

Total Award Period: 2011-2013

Total Award Amount: $1,698,526
Project/Proposal Title: Development of the Global Land Cover Initiative Suite of Products

Co-I: Peter Potapov

Source of Support: United States Geological Survey

Total Award Period: 2011-2015

Total Award Amount: $999,699

Project/Proposal Title: Integrating MODIS, Landsat and GLAS in characterizing forest extent, structure and change

PI: Dr. Matthew C. Hansen

Source of Support: NASA Science of Terra and Aqua, Dr. Diane Wickland, diane.e.wickland@nasa.gov

Total Award Period: 2011-2014

Total Award Amount: $739,319

Commitment by PI: 1.2 months per year

Project/Proposal Title: Advancing methods for global crop are estimation

PI: Dr. Matthew C. Hansen

Source of Support: NASA LCLUC, Dr. Garik Gutman, garik.gutman@nasa.gov

Total Award Period: 2011-2014

Total Award Amount: $798,017

Commitment by PI: 0.6 months per year


Project/Proposal Title: Web-enabled Landsat data (WELD) - a consistent seamless near real time MODIS-Landsat data fusion for the terrestrial user community

PI: Dr. David Roy

Source of Support: NASA MEASURES, Dr. Martha Maiden, martha.e.maiden@nasa.gov

Total Award Period: 2008-2013

Total Award Amount: $3,600,000

Commitment by PI: 1.2 month per year.


Project/Proposal Title: Earth Science Data Records of Global Forest Cover Change

PI: Dr. John R.G. Townshend

Source of Support: NASA MEASURES, Dr. Martha Maiden, martha.e.maiden@nasa.gov

Total Award Period: 2008-2013

Total Award Amount: $363,000

Commitment by PI: 1 month per year in kind


Project/Proposal Title: Congo Basin Forest Monitoring Using Satellites for CARPE4

PI: Dr. Christopher O. Justice

Source of Support: NASA, Dr. Compton Tucker; compton@ltpmail.gsfc.nasa.gov

Total Award Period: 2009-2012

Total Award Amount: sub-award of $649,000

Commitment by PI: 1.2 months per year

Project/Proposal Title: Quantifying carbon stocks and emissions in the forests of the Congo Basin

PI: Dr. Fred Stolle

Source of Support: Congo Basin Forest Fund, African Development Bank

Total Award Period: 2010-2012

Total Award Amount: sub-award of $213,000

Commitment by PI: 0.3 months per year

Project/Proposal Title: Research and improvements for the remote sensing component of Indonesia’s national carbon accounting system (INCAS)

PI: Dr. Matthew C. Hansen

Source of Support: AUSAID

Total Award Period: 2010-2012

Total Award Amount: $342,000

Commitment by PI: 1.2 months per year


Project/Proposal Title: Integrating MODIS crop characterization capabilities with AWiFS and agricultural survey data to improve the accuracy and timeliness of national crop acreage forecasts provided by the USDA NASS Acreage Estimation Decision Support System

PI: Dr. Matthew C. Hansen

Source of Support: NASA ROSES Decision Support through Earth Science Results 2007, Dr. Bradley Doorn, bradley.doorn@nasa.gov

Total Award Period: 2009-2011

Total Award Amount: $370,000

Commitment by PI: 3 months per year


Project/Proposal Title: Transitioning NASA MODIS and NPP VIIRS observations into the USDA FAS operational Global Agricultural Monitoring System

PI: Dr. Chris Justice

Source of Support: NASA, Dr. Bradley Doorn, bradley.doorn@nasa.gov

Total Award Period: 2009-2011

Total Award Amount: $86,100

Commitment by PI: 0.6 months per year

Project/Proposal Title: Annual updating of the spatial extent of feedstock agriculture

PI: Dr. Matthew C. Hansen

Source of Support: Sun Grant Initiative, North Central Center, Dr. Kevin Kephart, kevin.kephart@sdstate.edu

Total Award Period: 2008-2011

Total Award Amount: $268,000

Commitment by PI: 1.2 month per year in kind.

Project/Proposal Title: Producing Composite Imagery and Forest Cover and Change Characterizations for the Humid Tropics - A Contribution to the MDGLS Activity

PI: Dr. Matthew C. Hansen

Source of Support: ROSES 2007 Land Cover Land Use Change – “Landsat”, Dr. Garik Gutman, garik.gutman@nasa.gov

Total Award Period: 2008-2010

Total Award Amount: $399,098

Commitment by PI: 1.2 months per year


Project/Proposal Title: Supporting FAO Forest Resource Assessment 2010

PI: Dr. Matthew C. Hansen

Source of Support: United Nations Food and Agriculture Organization, Dr. Mette Loyche-Wilkie, Mette.LoycheWilkie@fao.org

Total Award Period: 2009-2010

Total Award Amount: $100,000

Commitment by PI: none



Workshops hosted:
“CEOS WGCV and GOFC-GOLD Global Vegetation Continuous Fields Validation Workshop,” October 27-28, 2005, Brookings, SD.
Field work study areas:

Maryland, USA, June 1999, over 10 sites of in situ tree crown/canopy cover data

Western Province, Zambia, March 2000, 42 sites of in situ tree crown/canopy cover data

Colorado, USA, July 2000, 15 sites of in situ tree crown/canopy cover data

California, USA, July 2000, 15 sites of in situ tree crown/canopy cover data

Oregon/Washington, USA, August 2000, 15 sites of in situ tree crown/canopy cover data

Bandundu, Democratic Republic of the Congo, March 2002, drive-by survey of forest/non-forest cover

Federal District, Brazil, June 2003, 8 sites of in situ tree crown/canopy cover data

Mato Grosso, Brazil, June 2003, 10 sites of in situ tree crown/canopy cover data

Rondonia, Brazil, July 2003, 8 sites of in situ tree crown/canopy cover data

Wisconsin, USA, June 2006, 2 test areas of in situ tree crown/canopy cover data

South Dakota, USA, August 2006 and 2008, 2 test areas of in situ tree crown/canopy cover data

Minnesota, USA, August 2009, 1 test area of in situ tree crown/canopy cover data


North Dakota, USA, August 2010, 2 test areas of in situ tree crown/canopy cover data

Examples of popular press coverage:
“Satellite Laser Will Map Forests in 3-D” Scientific American. Brittany Patterson. (March 8, 2016). Retrieved from http://www.scientificamerican.com/article/satellite-laser-will-map-forests-in-3-d/
“Satellite alerts track deforestation in real time: System uses Landsat data to issue warnings just hours after tree loss is detected” Nature.com. Gabriel Popkin. (Feb 23, 2016). Retrieved from http://www.nature.com/news/satellite-alerts-track-deforestation-in-real-time-1.19427
“Coming Soon: A Mobile App for Detecting Deforestation As It Happens.” Takepart. Taylor Hill. (Feb 23, 2016) Retrieved from http://www.takepart.com/article/2016/02/23/forest-satellite-image-real-time?cmpid=tp-ptnr-huffpost&utm_source=huffpost&utm_medium=partner&utm_campaign=tp-traffic
“Global Deforestation is Decreasing. Or is it?” Ensia.com. Jeremy Leon Hance. (Jan. 2016) Retrieved from http://ensia.com/features/global-deforestation-is-decreasing-or-is-it/
“Russia and Canada lead the world in forest loss in 2013” Mongabay.com. Rhett A. Butler (April 2, 2015). Retrieved from http://news.mongabay.com/2015/0402-global-forest-loss-2013.html
“SDG Fifteen: Four Observations on Forests” Center for Global Development. Frances Seymour (April 6, 2015). Retrieved from http://www.cgdev.org/blog/sdg-goal-fifteen-four-observations-forests

“Watchers of forests – what news from above?” Forestsnews. Peter Holmgren (April 7, 2015). Retrieved from http://blog.cifor.org/27686/watchers-of-forests-what-news-from-above?utm_source=CIFOR+Website&utm_medium=widget&utm_campaign=Forests+News#.VSv4P_nF84F

“When Is a Forest A Forest? How Definitions Affect Monitoring” Science and Beyond. Julian Moll-Rocek. (February 1, 2015). Retrieved from http://www.freeinews.com/345946-when-is-a-forest-a-forest-how-definitions-affect-monitoring.html
“Need and Options for Subnational Scale Land-Use and Land-Cover Scenarios for the United States” U.S. Global Change Research Program (January 2015). Retrieved from http://www.globalchange.gov/sites/globalchange/files/LULC-Scenarios-Workshop-Report_2015-01-22.pdf
“Recovery Strategy for Olive-sided Flycatcher (Contopus cooperi) in Canada. Government of Canada. (2015). Retrieved from http://www.sararegistry.gc.ca/virtual_sara/files/plans/rs_olive-sided%20flycatcher_e_proposed.pdf
“New Confirmed Bird Species in Indonesia” Epoch Times. Mike Gaworecki (March 9, 2015). Retrieved from http://www.theepochtimes.com/n3/1276338-new-confirmed-bird-species-in-indonesia/ *citation only*
“Fight deforestation through a Google-powered map” The Hindu. Marc Gunther (March 12, 2015). Retrieved from http://www.thehindu.com/opinion/op-ed/fight-deforestation-through-a-googlepowered-map/article6983019.ece
“Tracking Deforestation Through Satellite Imagery” Epoch Times. Julian Mol-Rocek (Jan. 29, 2015). Retrieved from http://www.theepochtimes.com/n3/1229243-tracking-deforestation-through-satellite-imagery/
“Restored Forests Breathe Life Into Efforts Against Climate Change” NY Times. Justin Gillis (Dec. 23, 2014)
“Interactive Map Shows World’s Changing Forests.” Woodland magazine. (Spring 2014. Volume 2: No. 1)

“Powered by Google, high resolution forest map reveals massive deforestation worldwide.” Mongaboy.com. Rhett A. Butler (Nov. 14, 2013). Retrieved from http://news.mongabay.com/2013/1114-global-forest-map.html

“Vanishing Forests: New Map Details Global Deforestation. Live Science. Stephanie Pappas (Nov. 14, 2013). Retrieved from -

http://www.livescience.com/41215-map-reveals-global-deforestation.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Livesciencecom+(LiveScience.com+Science+Headline+Feed)

“First-ever map of global deforestation shows widespread destruction; a collaboration that includes NASA and Google has tracked vital losses over last decade.” The Verge. Katie Drummond (Nov. 14, 2013) Retrieved from - http://www.theverge.com/2013/11/14/5099500/global-forest-map-deforestation-over-time

“NASA-USGS Landsat Data Yield Best View to Date of Global Forest Losses, Gains” NASA. Kate Ramsayer (Nov. 14, 2013). Retrieved from - http://www.nasa.gov/content/goddard/nasa-usgs-landsat-data-yield-best-view-to-date-of-global-forest-losses-gains/#.UoUwN_msh8E

“Mapping the world’s deforestation over time” Google Maps. Rebecca Moore and Hancher, Matt (Nov. 14, 2013) Retrieved from - http://google-latlong.blogspot.com/2013/11/mapping-worlds-deforestation-over-time.html

“Incredible High-Resolution Interactive Map of the World’s Shrinking Forests” wired.com Betsy Mason. (Nov. 14, 2013). Retrieved from




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