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The Cuyahoga River was so polluted, it used to catch fire. Now it’s making a comeback

About a mile from Cleveland’s Lake Erie shore, in a stretch of water once among America’s most polluted, a team of conservationists just released a few dozen lake sturgeon into the Cuyahoga River. Lake sturgeon need a nice clean substrate so their eggs don’t suffocate, and biologists believe the Cuyahoga’s improved water quality has made that possible. Read the full story by NPR.

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