Why do we have clean air regulations?

Many of us never got to experience it, but the air quality in LA in the ‘40s  ‘50s, ‘60s, and ‘70s was deadly. Smog hung in the air like a thick fog and many residents actually said that it hurt to breathe.

Sources:

https://www.kcet.org/history-society/how-los-angeles-began-to-put-its-smoggy-days-behind

https://earther.gizmodo.com/environmental-regulation-has-helped-cut-deaths-from-air-1829875441

https://www.hemmings.com/magazine/hcc/2007/09/After-Burner/1509192.html  

https://www.marketplace.org/2014/07/14/sustainability/we-used-be-china/la-smog-battle-against-air-pollution

https://www.geek.com/geek-cetera/spaceballs-becomes-reality-canadian-company-is-selling-bottled-air-to-the-chinese-1642442/

https://www.cnbc.com/2015/12/15/canadians-are-selling-cans-of-fresh-air-to-china.html

http://www.bbc.com/capital/story/20170515-the-entrepreneurs-making-money-out-of-thin-air

https://www.cnn.com/2016/02/08/world/fresh-air-britain-china-bottles/index.html

https://ww2.arb.ca.gov/about/history