Logging is destroying southern forests — and dividing US environmentalists

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Logging is destroying southern forests — and dividing US environmentalists

Maps Give Detailed Look at Dramatic Land Use Change Over Two Decades - Yale E360

Landscape change between 1992 and 2015. White reflects little change. Darker shades reflect the greatest rate of change in each category. CREDIT: TOMASZ STEPINSKI/UC

A new map that stitches together 24 years of satellite observations provides a detailed look at striking changes in land use and widespread environmental degradation. According to the map, 22 percent of Earth’s habitable surface has been significantly altered since 1992, primarily from agricultural-driven deforestation.

“We already knew about deforestation or wetland loss or increasing urbanization,” said Tomasz Stepinski, a geographer at the University of Cincinnati and a co-author of the new map. “But now we can see exactly where all of that is happening… What makes this so depressing is that it’s examining a timescale that is shorter than our lifetime.”

The map illustrates widespread losses of wetlands in the Southeastern United States; the rapid disappearance of the Aral Sea, which “dried up in the 1990s after farmers in Kazakhstan and Uzbekistan diverted its tributaries for cotton fields,” a press release explained; deforestation in the tropics; and the expansion of the Sahara Desert…

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