The travails of an alewife: Dams, drought, and climate change

River herring once swam up Connecticut's streams to reproduce by the billion, and then reverse their journey back to sea. In recent years, though, their migration has become increasingly perilous, and their numbers have plummeted. ...

Severe storms swell Iguazu falls to 10 times normal flow

The famed Iguazu waterfalls on the border between Argentina and Brazil have registered 10 times their usual water volume after heavy rains, authorities said, closing one of the site's main tourist walkways for safety reasons.

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