What is Cloud Feedback?



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    Cloud feedback is a process that scientists believe could lead to further global warming. Low-level cloud cover has been found to decrease as the sea temperature rises. Fewer clouds means that there is less protection between the planet and the sun’s energy, and more sunlight can reach the earth’s surface, increasing temperatures in the ocean further and continuing the negative feedback process. It’s a difficult balance to strike, as rising temperatures also help the clouds to form in the first place as more moisture evaporates into the atmosphere. In that case, rising temperatures could help to mitigate global warming because cloud-cover would be increased, protecting the planet from the sun’s heat. But it is believed that too much heat can dissipate the clouds entirely. Scientists are hoping to study this phenomenon much more closely to help understand the link between cloud cover and rising temperatures.

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