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Atmospheric Moisture Increase

A warmer atmosphere holds more moisture—about 7 percent more per 1.8°F (1°C) of warming—and scientists have already observed a significant increase in atmospheric moisture due to the air’s ability to hold more moisture as it warms. Storms supplied by climate change with increasing moisture are widely observed to produce heavier rain and snow. Research indicates that the increase in atmospheric moisture is primarily due to human-caused increases in greenhouse gases.

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