9. Discovery of how fast air pollution clears, given extreme changes and reductions in human behavior and industrial activity.
Map of NO2 emissions over Europe
"Satellite images from NASA
show a surprising effect of the novel coronavirus (COVID-19) outbreak in China: less air pollution.
Using pollution monitoring satellites, NASA measured the air’s concentration of nitrogen dioxide
(NO2), a gas that ends up in the air from burning fuel, primarily from cars, trucks, buses and power plants.
From Jan. 1 to 20, and Feb. 10 to 25, researchers saw a “significant decrease” in pollution over Wuhan and the rest of China due at least in part to an “economic slowdown” resulting from the virus outbreak, according to a NASA release."
NASA images show ‘significant decreases’ in air pollution over China amid coronavirus economic slowdown CNBC March 6
As others have remarked, COVID-19 is not good for us, but it may be quite good for the planet.
Nature rebalances her portfolio too?