A major draft federal report concludes that climate change is already affecting U.S. residents through heat waves, droughts and other changes, and warns that temperatures could increase as much as 10 degrees Fahrenheit if global carbon emissions keep soaring.
The third National Climate Assessment, released Friday, said there’s “unambiguous evidence” that earth is warming, and that climate change over the past 50 years is driven primarily by human activity, especially from burning fossil fuels.
“Certain types of weather events have become more frequent and/or intense, including heat waves, heavy downpours, and, in some regions, floods and droughts. Sea level is rising, oceans are becoming more acidic, and glaciers and arctic sea ice are melting,” states the draft report crafted by a panel of experts.
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