Outflow from Lake Erie spins the huge turbines at Niagara Falls providing hydroelectric power to Canada and the U.S.
The algae proliferates by feeding on excess nutrients in the form of phosphorous in the water.
Blue-green algae also thrives on light.
Algae blooms were common in the lakes shallow western basin in the 1950s and 60s.
But the problem has resurfaced in recent years.
Perhaps Lake Eries algae bloom is nothing, compared to theAlgae Attack in China.
Satellite image of Lake Erie taken in 2003.Photo credit
