Barack Obama's Record On Addressing Climate Change In First Term Under Scrutiny By Activists

"I think I missed the part where they discussed the Arctic melting," the environmentalist and author Bill McKibben recently quipped.

A tireless spokesman for a planet in rapid and, as he sees it, dangerous flux, McKibben had taken to his Twitter account in the aftermath of last week's presidential debate and, like many other Americans, he found the whole affair wanting -- though his reasons were singular. "Wasn't there some kind of drought or something this summer?" he continued. "Maybe I'm misremembering."