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Stanford University
California drought and climate warming: Studies find no clear link
California drought and climate warming: Studies find no clear link

Global warming contributed to extreme heat waves in many parts of the world last year, but cannot be definitively linked to the California drought, according to a report released Monday. The third annual analysis of extreme weather events underscored the continuing difficulty of teasing out the influence of human-caused climate change on precipitation patterns. One of three studies examining the California drought in 2013 found that the kind of high-pressure systems that blocked winter storms last year have increased with global warming. But another study concluded that a long-term rise in sea surface temperatures in the western Pacific did not contribute substantially to the...

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