Events roofed include the properties that DDT had on the environment and the Cuyahoga river in Ohio catching fire because it was so polluted.
In 1969, the crew of a Japanese fishing vessel near Bikini Atoll were exposed to enormous doses of radiation from the outcome of an H-Bomb test.
The anxiety over the environment went on way before that, though. I think that it attracted people from other movements, like anti-nuke and people concerned over industrial waste, etc., because the environment trapped all of that under one umbrella that united them in a common cause. In short, it was better to stand together than in smaller groups
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