The Earth sees about 760 thunderstorms every hour, scientists have calculated.
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The winter of 1912 was so cold that Niagara Falls froze over.
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Snowiest city in the U.S. : Blue canyon, California.
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Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
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It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
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In ten minutes, a hurricane releases more energy than all the world's nuclear weapons combined!
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Dirty snow melts faster than clean.
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