Satellite Observations Show Marine Clouds Amplify Global Warming
A new analysis of satellite cloud observations finds that global warming causes low-level clouds over the oceans to decrease, leading to further warming.
These clouds, such as the stratocumulus clouds responsible for the often gloomy conditions, are widespread over the global oceans and strongly cool the planet by shading the surface from sunlight. The new study finds that, overall, this cooling effect will be modestly reduced as the concentration of carbon dioxide (CO2) in the atmosphere increases. The warming initially caused by increasing CO2 gets an extra push from reductions in clouds — an amplifying feedback.
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