By Pete Spotts, Christian Science Monitor
Irreversible is a tough word, especially when applied to the effects of global warming.
But physics alone suggests that even now, the changes that humans are imposing on Earths’ climate system will last for at least 1,000 years and likely far longer. That’s the gist of a new study by an international team of researchers led by Susan Solomon, an atmospheric chemist at the National Oceanic and Atmospheric Administration’s Earth System Research Lab in Boulder, Colo.
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