Subject: [Tweeters] Clean Air Act saved 1.5 billion birds: Improved air quality, reduced ozone pollution may have averted bird deaths -- ScienceDaily
Date: Tue Nov 24 15:11:59 PST 2020
From: Dan Reiff - dan.owl.reiff at gmail.com
https://www.sciencedaily.com/releases/2020/11/201124150845.htm
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