Articles tagged "global warming"

Features

This Is Life in a 400 PPM World

Life in a world where carbon accounts for 400 parts per million is going to be quite different from the old 280 ppm world. The climate is now fundamentally different than it was 40, 30, even 20 years ago.

Romney Vs. Obama On Climate: The YouTube Faceoff

The two top presidential candidates have been notably silent on one of the most urgent issues of our time, but Barack Obama and Mitt Romney weren't always so tight-lipped on climate change. Back in their 2007-2008, for instance, when both men were al…