(Fox News) Can you rely on the weather forecast? Maybe not, at least when it comes to global warming predictions over short time periods.

That’s the upshot of a new study in the journal Nature Climate Change that compared 117 climate predictions made in the 1990′s to the actual amount of warming. Out of 117 predictions, the study’s author told FoxNews.com, three were roughly accurate and 114 overestimated the amount of warming. On average, the predictions forecasted two times more global warming than actually occurred.

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