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The world's wilderness areas have experienced catastrophic losses in the past two decades, according to a new study published Friday in the journal "Current Biology."
Comparing current maps with those from the 1990s, researchers concluded that more than 3.3 million square kilometers, or about one-tenth of the world's total wilderness, has been lost, raising deep concerns about what effect that has on local economies and global climate change.
Here & Now's Jeremy Hobson speaks with James Watson, the study's lead author, about what he and his team found.
This segment aired on September 12, 2016.