Online map tracks forest shifts from space

By Meghan Rosen, 11:06 AM November 13, 2013

By layering more than 650,000 satellite images onto a Google map, researchers have created a new tool to track forest cover.

The online tool, described in the Nov. 15 Science, lets users walk through space and time, zooming from single plots to a global view. The big picture isn’t so pretty.

From 2000 to 2012, logging, fires, storms and other disturbances wiped out 2.3 million square kilometers of forest (red). Still, the maps reveal some bright spots: Brazil has cut back on clearing rainforest...

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