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Researchers from the University of Maryland and USGS have mapped changes in forests globally from 2000 to 2013. The maps displayed here are from that database and are paired with a corresponding Landsat image.

The study defined trees as all vegetation taller than 5 meters. In the forest change map, green indicates forest extent, and red is forest loss during the period 2000–2013. Any blue that appears is forest gained during that time period. Black is land that was non-forest during the time period.

The study used data from over 650,000 Landsat scenes and used 143 billion 30-meter Landsat pixels.


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Mar. 11, 2014, Landsat 8 (path/row 27/46) — Monarch Butterfly Biosphere Reserve, Mexico
Global Forest Change map (Hansen and others, 2013).


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