Plunge in CO2 put the freeze on Antarctica
Thursday, December 1, 2011 - 14:30
in Earth & Climate
Plunge in CO2 put the freeze on AntarcticaAtmospheric carbon dioxide levels plunged by 40% before and during the formation of the Antarctic ice sheet 34 million years ago, according to a new study. The finding helps solve a long-standing scientific puzzle and confirms the power of CO2 to dramatically alter global climate.