The Arctic is warming two or three times faster than the rest of the planet. This amplified warming is due to several factors, but the relative importance of each one remains still unclear. “We do know, however, that clouds could play an important role,” says Julia Schmale, an EPFL professor who heads the Extreme Environments Research Laboratory and holds the Ingvar Kamprad Chair. “By reflecting the sun’s rays back into space or trapping heat close to the Earth’s surface like a blanket, clouds help either cool off or warm up the planet.”
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Source: Phys.org