Air pollution falls by unprecedented levels in major global cities during coronavirus lockdowns
Lockdowns restricting travel and industry imposed to halt the spread of coronavirus have resulted in unprecedented reductions in deadly air pollution around the world, new analysis shows.
from CNN.com - RSS Channel - App International Edition https://ift.tt/3cC7vH3
from CNN.com - RSS Channel - App International Edition https://ift.tt/3cC7vH3
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