#EarthDay2015: Thanks, Rachel
This Earth Day, I’m taking a minute to think about Rachel Carson, the journalist who started it all. Carson’s series of New Yorker articles about the dangers of pesticide exposure to human health became Silent Spring, the 1962 book credited with kicking off environmentalism as a movement. She was one of the first to introduce the idea that 20 years later was defined as the “Precautionary Principle” by the United Nations: