Author Topic: Addressing climate change  (Read 10081 times)

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Offline Granny

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Re: Addressing climate change
« Reply #300 on: March 29, 2020, 03:49:19 pm »
Why did air quality get better after 9/11?

Government + shutdown - everybody went home.

It was silent except for the military airplanes.
I don't remember how many days, but the air cleared, was fresh.