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wpp07Nutrient pollution: Voluntary steps are failing to shrink algae blooms and dead zones

By Donald Scavia – The Conservation – July 31, 2017 – Video
Summer is the season for harmful algae blooms in many U.S. lakes and bays. They occur when water bodies become overloaded with nitrogen and phosphorus from farms, water treatment plants and other sources. Warm water and lots of nutrients promote rapid growth of algae that can be toxic and potentially fatal to aquatic life and people. Eventually algae settle to the bottom and decay, depleting dissolved oxygen in the water, creating hypoxia – “dead zones” where oxygen levels are low enough to kill fish. For full story and to view video, click here.

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