Greenwire: Man-made climate change is already altering the way Americans live and work, according to a new federal report that projects the country could warm another 5-10 degrees Fahrenheit by the end of this century if emissions of heat-trapping gases continue to rise.
"Evidence for climate change abounds, from the top of the atmosphere to the depths of the oceans," says the report, the third national assessment of climate change impacts in the United States. "The sum total of this evidence tells an unambiguous...