From The New York Times
In the effort to slow earth's rising temperatures, even a well-intentioned proposal could backfire, scientists said Wednesday.
One suggestion has been to grow more trees, which absorb carbon dioxide, the gas blamed for trapping heat. More trees mean more carbon dioxide removed from the air.
New computer simulations, however, indicate that establishing new forests across North America could provide a cooling effect for a few decades to a century, but that after that, they would lead to more warming.
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, Global Warming
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