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Human-caused climate change is already impacting 85% of global population, study finds05:07
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A layer of smog covers the city of Brussels on March 14, 2014. (Geert Vanden Wijngaert/AP/File)
A layer of smog covers the city of Brussels on March 14, 2014. (Geert Vanden Wijngaert/AP/File)

A group of scientists used machine learning to map 100,000 climate impact studies. The new study found that 85% of the world's population and 80% of the land are already impacted by human-caused climate change.

Here & Now's Tonya Mosley talks with Richard Alley, a climate scientist at Penn State University.

This segment aired on October 12, 2021.

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