Global warming hiatus tied to cooler temps in Pacific

Average air temperatures' rise has paused, but not stopped, because of normal variation in ocean temperatures

By Erin Wayman, 13:31 PM August 28, 2013

The recent pause in global warming has resulted from cooling in the tropical Pacific Ocean, new simulations find. The colder ocean temperatures are a consequence of natural fluctuations in climate; global temperatures will start rising again when warmer conditions return to the Pacific, researchers propose August 28 in Nature.

Exactly when that will happen is anyone’s guess. “We can’t predict the next move of the equatorial Pacific,” says study coauthor Shang-Ping Xie of the Scripps Institution...

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