Estrogen 'Flooding Our Rivers,' Montreal Study Finds

Monday, September 22, 2008 - 13:48 in Earth & Climate

A water treatment plant from Canada's second biggest city, Montreal, is dumping 90 times the critical amount of certain estrogen products into the river. It only takes one nanogram (ng) of steroids per liter of water to disrupt the endocrinal system of fish and decrease their fertility.

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