Dr James Hansen

James Hansen's Warning to the G8: We've Exceeded Safe C02 Levels

Janet Ritz | Posted 07.07.2008 | Green


Janet Ritz

Hansen opens with current climate status: the loss of sea ice, the approaching tipping points, the effects on people and wildlife, the unstoppable sea level rise, shifting of climate zones and more.

Twenty Years Later: Tipping Points Near on Global Warming

Dr. James Hansen | Posted 06.23.2008 | Green


Dr. James Hansen

Yesterday, I testified to Congress about global warming, 20 years after I first alerted the public that warming was underway. There are striking similarities between then and now, but one big difference.