Sunday, October 25, 2009

This climate change is different

Arctic Sediments Show That 20th Century Warming Is Unlike Natural Variation

"The possibility that climate change might simply be a natural variation like others that have occurred throughout geologic time is dimming, according to evidence in a Proceedings of the National Academy of Sciences paper published October 19.

The research reveals that sediments retrieved by University at Buffalo geologists from a remote Arctic lake are unlike those seen during previous warming episodes."