Photo: Flickr , CC Time Flies When You’re Cleaning the Air The Clean Air Act was signed by President Richard Nixon on December 31, 1970, and so it is 40 this year. To celebrate, the U.S. Environmental Protection Agency (EPA) is looking back at the past few decades to see how things have changed and what kind of impact this important piece of legislation had on air quality in the U.S. (and around the world, since there’s only one atmosphere, and many other countries follow U.S. regulations pretty closely). Read on for more details…. Read the full story on TreeHugger
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The U.S. Clean Air Act is 40! Happy Birthday!
