The Hill: 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 theres 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....