A river actually catching on fire because of all the pollution was one of the starts of the environmental movement in the 60s. https://www.smithsonianmag.com/h

A river actually catching on fire because of all the pollution was one of the starts of the environmental movement in the 60s. https://www.smithsonianmag.com/history/cuyahoga-river-caught-fire-least-dozen-times-no-one-cared-until-1969-180972444/ https://www.smithsonianmag.com/history/cuyahoga-river-caught... We’ve come a long way but still more todo.