Remember how air pollution dipped in 2020 when people weren't driving 


After 9 / 11 in the US when air flight was restricted , air quality improved and temps dropped
@_L1vY_
Listening to city birdsong 🙏
In London, where I live, the Mayor implemented a Low Traffic Neighbourhoods (LTN) during the later lockdowns. It outraged the car-driving libertarians (marches), but has proved to be a resounding success. My street is no longer overwhelmed by rat running cars, and the air a way better.