Climate & Energy: Climate Change

Searching the Arctic for a long-lost world of woolly mammoths and giant sloths, a traveler discovers a new one disappearing fast

From the governor to Native leaders to maple syrup producers, Vermonters aren't sitting still for climate change

Grímsvötn volcano erupts over Iceland

The unicorns of the sea are threatened by rising water temperatures

California's massive, ancient redwoods have dealt with climate change before. But this time they might need our help.

Before-and-after images are just as compelling when it comes to climate change as they are for fashion makeovers

"Global Warming: A Sunnier Perspective" was the theme of this year's Environmental Skeptics convention

America has had the foresight to set aside many of its wild and beautiful places. With climate change upon us, scientists may need to use these sanctuaries as laboratories in which to play Noah, if not god.

Still racing after all these years

Student activists rise to the planet's biggest challenge