Scientists say measuring climate change by temperature alone doesn't accurately reflect how bad global warming really is getting.
, a climate scientist at UC San Diego’s Scripps Institution of Oceanography and Cornell University. It’s expressed in degrees, like temperature.
That’s because as the world warms, the air holds more moisture, nearly 4% for every degree Fahrenheit . When that moisture condenses, it releases heat or energy, “that’s why when it rains, now it pours,” Ramanathan said. From 1980 to 2019, the world warmed about 1.42 degrees . But taking energy from humidity into account, the world has warmed and moistened 2.66 degrees , the study said. And in the tropics, the warming was as much as 7.2 degrees .
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