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Look at how badly polluted US rivers were before environmental protection laws: https://www.history.com/news/epa-earth-day-cleveland-cuyahoga-river-fire-clean-
by asdfman123 7y ago
Look at how badly polluted US rivers were before environmental protection laws:
https://www.history.com/news/epa-earth-day-cleveland-cuyahoga-river-fire-clean-water-act https://www.history.com/news/epa-earth-day-cleveland-cuyahog...
- tomohawk 7y agoAnd after: https://en.wikipedia.org/wiki/2015_Gold_King_Mine_waste_water_spill https://en.wikipedia.org/wiki/2015_Gold_King_Mine_waste_wate...