phosphorous on the rise again in lake erie

remember when lake erie–one of the largest bodies of freshwater in the world–was  a ‘dead’ lake in the 70s? it’s happening again. phosphorous is on the rise again, causing algae blooms and suffocating fish for lack of oxygen. the phosphorous is washed into the lake from road runoff, which comes from fertilizer used on lawns. normally, it feeds small crustaceans, but zebra mussels–introduced by humans–interrupt the food cycle. the good news is we saved the lake before (from ourselves). can we do it again?

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