carbon in the atmosphere

Tipping Point Near

James Hansen is widely considered the pre-eminent scientist when it comes to understanding the potential for global climate change and human contributions to the problem.

He recently presented testimony to Congress on the 20th anniversary of his initial insights into the reality that climate change was likely underway in 1988.

I give you Dr. James Hansen of NASA:

Submitted by Peter Henry on Tue, 07/01/2008 - 7:37am. categories [ ]