Green Scum Coated the Lake—and Could Have Killed Him
The AP investigates why our efforts to combat toxic algae are failing
By Newser Editors and Wire Services
Posted Nov 16, 2017 1:37 PM CST
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This Sept. 26, 2017 satellite image made available by NASA shows Toledo, Ohio in the lower left corner with a large phytoplankton bloom in western Lake Erie.   (NASA via AP)
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(Newser) – Competing in a bass fishing tournament two years ago, Todd Steele cast his rod from his 21-foot motorboat—unaware that he was being poisoned. A thick, green scum coated western Lake Erie. And Steele, a semipro angler, was sickened by it. Driving home to Port Huron, Michigan, he felt lightheaded, nauseous. By the next morning he was too dizzy to stand, his overheated body covered with painful hives. Hospital tests blamed toxic algae, a rising threat to US waters. "It attacked my immune system and shut down my body's ability to sweat," Steele said. "If I wasn't a healthy 51-year-old and had some type of medical condition, it could have killed me." He recovered, but Lake Erie hasn't. Nor have other waterways choked with algae that's sickening people, killing animals, and hammering the economy.

Algae are essential to food chains, but these tiny plants and bacteria sometimes multiply out of control. Within the past decade, outbreaks have been reported in every state, a trend likely to accelerate as climate change boosts water temperatures. Many monster blooms are triggered by an overload of agricultural fertilizers in warm, calm waters, scientists say. Chemicals and manure intended to nourish crops are washing into lakes, streams, and oceans, providing an endless buffet for algae. Government agencies have spent billions of dollars and produced countless studies on the problem. But an AP investigation found little to show for their efforts; it goes into the reasons why in depth here. One issue: Instead of ordering agriculture to stem the flood of nutrients, regulators seek voluntary cooperation, an approach not afforded to other big polluters.


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