Weather.com - 4/01/13, John Flesher
This Oct. 5, 2011 satellite photo from a NASA website shows algae blooms swirling on Lake Erie. A study released April 1 said the warming climate and modern farming practices are creating ideal conditions for gigantic algae formations on Lake Erie. AP Photo/NASA
TRAVERSE CITY, Mich. — It was the largest algae bloom in Lake Erie's recorded history — a scummy, toxic blob that oozed across nearly one-fifth of the lake's surface during the summer and fall of 2011.
It sucked oxygen from the water, clogged boat motors and washed ashore in rotting masses that turned beachgoers' stomachs.
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