By Pete Spotts on Dec 4, 2013
Panel recommends creating an early-warning system to watch for abrupt climate shifts.
Two Adelie penguins stand atop a block of melting ice on a rocky shoreline at Cape Denison, Commonwealth Bay, in East Antarctica, in 2010. (Pauline Askin/Reuters/File) Global warming is bringing abrupt change to some aspects of the climate system as…
Featured photo: Flickr user Charlie Marshall, creative commons licensed.