 It aired on US television on April 19, 2010 as part of the "American Experience" series on PBS.On review aggregator website Rotten Tomatoes, the film holds an approval rating of 82% based on 33 reviews, and an average rating of 6.8/10.The website's critical consensus reads, "This engaging and well-organized eco-doc maps the successes and failures of the American environmental movement, thanks to sharp interviews and remarkable archive footage."