What Causes Killer Algae?

Algal blooms caused by agricultural run-off are threatening the water quality of Lake Erie.
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Dissolved phosphorus - believed to be caused by agricultural run-off - is leading to dangerous algal blooms which are in turn threatening the water quality of Lake Erie. Researchers and farmers alike are developing novel solutions to prevent this dangerous run-off from polluting the water system.

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“SciTech Now” is a new weekly, half-hour newsmagazine program focusing on “the nexus of new ideas.” Hosted by Hari Sreenivasan, anchor of “PBS NewsHour Weekend” and a senior correspondent for the nightly program, “SciTech Now” tackles topics including technology, scientific discovery and innovation.

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