Southern seas slow their uptake of CO2

By Sid Perkins, 15:57 PM April 15, 2008

The rate at which oceans in the Southern Hemisphere soak up carbon dioxide from the atmosphere has slowed in recent decades, a phenomenon that could cause atmospheric concentrations of the planet-warming greenhouse gas to increase even faster than had been expected.

Today, the atmospheric concentration of carbon dioxide is rising by about 3 parts per million each year. As the concentration of carbon dioxide in the air goes up, the amount that dissolves into the ocean should also rise, says Co...

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