11/30/2014 07:58 am ET

Our Oceans Are Full Of Dead Zones... Climate Change Is Making Them Deader.

A stretch of the Gulf of Mexico spanning more than 5,000 square miles along the Louisiana coast is nearly devoid of marine life this summer, according to a study released this week. Caused largely by nutrient runoff from farm fertilizer, this oxygen-deprived “dead zone” is approximately the size of Connecticut.

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