What happens in Asia doesn't stay in Asia, a new study warns. Pollution from booming economies in the Far East is causing stronger storms and changing weather patterns over the Pacific Ocean, which in turn is changing weather in North America, scientists report.
"Whether the weather [in North America] will change in a good direction or bad is hard to say at this time," says Renyi Zhang, a professor of atmospheric sciences at Texas A&M University in College Station. Zhang is a co-author, along with several scientists from the U.S. and China, of a study released in the Proceedings of the National Academy of Sciences on Monday.
The scientists say pollution from Asia is likely leading to strongercyclones in the midlatitudes of the Pacific, more precipitation, and a faster movement of heat from the tropics toward the North Pole. As a result of these changes, "it's almost certain that weather in the U.S. is changing," says Zhang.
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