Related topics: mississippi river

Researchers pinpoint massive harmful algal bloom

The bloom that began earlier this year and shut down several shellfish fisheries along the West Coast has grown into the largest and most severe in at least a decade.

States agree to cut pollutants behind Lake Erie algae

Ohio and Michigan have agreed to sharply reduce phosphorus runoff blamed for a rash of harmful algae blooms on Lake Erie that have contaminated drinking water supplies and contributed to oxygen-deprived dead zones where fish ...

Spike in water toxins blamed for hundreds of turtle deaths

Hundreds of small turtles have washed up dead on the eastern end of Long Island in the last month, a die-off scientists blame on waterborne toxins that have reached unprecedented levels for reasons that aren't entirely clear.

How policy researchers are helping restore the Great Lakes

How do you make sure that public policy designed to secure the health of the Great Lakes − and by extension the well-being of the 35-plus million people who rely on the system for drinking water and their livelihood − ...

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