Tag Archives: younger dryas period

Prehistoric climate change

Cosmic crash in Canada may have caused global climate shift 12,900 years ago

A dramatic global climate shift may be linked to the impact of an asteroid or comet in Quebec, according to researchers from the University of Delaware, Dartmouth College and Elizabeth City State University. 

The findings appear in the Sept. 2 online Early Edition of the Proceedings of the National Academy of Sciences (PNAS). (more…)

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