By Brian Tokar
The 40th anniversary of the original Earth Day is upon us, and many seasoned environmentalists are nostalgic for the heady days of the 1970s, when 20 million people hit in the streets and eventually got Richard Nixon to sign a series of ambitious environmental laws. Those laws managed to clean up waterways that were turning into sewers, saved the bald eagle from the ravages of DDT, and began to clear the air, which in the early 1960s was so polluted that people were passing out all over our cities.
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