Climate Desk: Lately we`re being bombarded by news about just how dramatically climate change is transforming the United States. Early last week, we learned that 2012 was by far the hottest year on record in the lower 48. Late Friday came another gut punch: a draft of the third US National Climate Assessment. The report describes, among other things, a future of disappearing coastlines, a staggering rise in average temperatures of up to 10 degrees Fahrenheit (~6 C) this century, and more frequent heat waves and...