Coronavirus Lockdowns Give Europe's Cities Cleaner Air to Breathe

Cities including Brussels, Paris, Madrid, Milan and Frankfurt showed a reduction in average levels of noxious nitrogen dioxide over March 5-25, compared with the same period last year, according to the Sentinel-5 satellite images.
March 30, 2020 at 08:34AM
from Top World News- News18.com https://ift.tt/3dDOUMe