Smog in Beijing, by 螺钉 (Own work) [CC BY-SA 3.0 ], via Wikimedia Commons |
Thanks largely to the EPA, the U.S. has until now maintained good air quality compared to many other countries:
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See http://www.treehugger.com/natural-sciences/87-earths-population-lives-areas-where-air-toxic.html |
Environment is a health issue. Air pollution is believed to contribute to the deaths of 1.6 million people each year in China
(http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0135749).
For more on Pruitt and his Senate confirmation, see
https://www.nytimes.com/2017/02/17/us/politics/scott-pruitt-environmental-protection-agency.html