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Tuesday, May 19, 2020

COVID-19 Confinements Clear the Air



Satellite images have shown a dramatic decline in pollution levels over China, which is "at least partly" due to an economic slowdown prompted by the Coronavirus, according to Nasa.



Daily global carbon dioxide emissions dropped 17 percent, from about 100 million metric tons to about 83 million metric tons, in early April compared with average daily emissions in 2019, researchers report May 19 in Nature Climate Change.

During the most stringent confinement periods, when only essential workers were permitted to commute, daily aviation activity shrank by 75 percent, the team reports. Surface transportation was reduced by about 50 percent, while power use shrank by about 15 percent.

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