Warming culprit CO2 has a cool side — and it’s in Antarctica

Combo of chilly surface temps and accumulating gas creates cooling effect

Kohnen Station, Antarctica

CHILLING EFFECTS  Unlike other places on Earth, rising CO2 levels above central Antarctica (home to the Kohnen Station, a German research facility, shown) cause cooling, not warming, new research shows. 

Peter Lemke

In a cold corner of the world, carbon dioxide is doing something surprising.