Connect to share and comment

Glaciers 3

Glaciers 3

Environmental activists dressed up as CO2 molecules stage a protest in Berlin on December 12, 2009, to coincide with the United Nations Climate Change Conference in Copenhagen. Some believe that the new research, "offers a response to those skeptical about human-caused global warming." It explains that during the ice age 11,000 years ago, rises in CO2 levels followed warming, and not the other way around.

David Gannon