Harmful algal blooms (HABs) occur when algae — simple photosynthetic organisms that live in the sea and freshwater — grow out of control while producing toxic or harmful effects on people, fish, ...

A fish killed by the historic 2011 harmful algal bloom on the southeast shore of Pelee Island, Ontario, Canada, in Lake Erie. The 2011 bloom was the largest harmful algal bloom in Lake Erie on record, ...

A NOAA scientist collects water samples in Lake Erie. Collecting and analyzing water samples during the harmful algal bloom season plays a key role in NOAA’s efforts to forecast and monitor algal ...

A “red tide” is a type of harmful algal bloom, or HAB. It happens when algae grow so much in an area of the ocean that it discolors the water, often with a reddish or reddish-brown color. These red ...

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Anthea Levi is a registered dietitian (RD) and reporter with more than 6 years of experience writing for major health outlets including Health magazine, BuzzFeed, Eat This, Not That!, and Livestrong.

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Open Enrollment is just around the corner! This is your annual opportunity to review your current benefits, explore available options, and make elections for the upcoming plan year. Open Enrollment ...

A large algae bloom stretching from the Gulf of Maine to the Massachusetts coast is being monitored by scientists who are studying its potential effects on marine life. The bloom was detected several ...

Maine environmental officials have identified the cause of a mysterious-looking “massive” algae bloom that has proliferated along the coast of Maine, stretching all the way to the Massachusetts coast.