Year in review: Climate warnings heat up

Carbon emission cuts are planned

map of collapse of West Antarctica’s glaciers

SPEED UP  The collapse of West Antarctica’s glaciers may be unavoidable, and the ice sheet’s demise could raise global sea level by as much as 4 meters, researchers reported. In recent years, the flow of these glaciers into the ocean has largely accelerated (red), which exacerbates melting. 

J. Mouginot et al/Geophysical Research Letters 2014

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