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Fighting Future ‘Red Tides’ in SF Bay

The largest sources of nutrient pollution and algae blooms in the San Francisco Bay — 37 different sewage treatment plants — are cleaning up their act.

Faced with two blooms called “red tides,” deadly to marine life, officials will soon recommend the first-ever restrictions on the release of the nutrients, such as nitrogen, into the Bay, a vast body of water that has long seemed resilient to trouble.

Fighting future ‘red tides’ in San Francisco Bay