salon.com: Earth, that is. Our energy expert cracks open the Democratic candidates’ proposals on global warming — and is impressed.

The most important call for the next president won’t come at 3 a.m., and it won’t involve military security.

The gravest threat to the American way of life is posed by unrestricted greenhouse gas (GHG) emissions. Global warming threatens to put the Southwest into a permanent drought, raise sea levels by 6 or more inches a decade, generate hundreds of millions of environmental refugees at home and abroad, wipe out half the planet’s species, and increase average temperatures in the nation’s interior 10-20 degrees Fahrenheit. And these impacts would likely get steadily worse for hundreds of years or longer. [ read more ]