Images of snow algae and snow cyanobacteria on snow fields in the Beartooth Mountains near the Beartooth Pass summit (elevation 10,947 feet/3,368 meters) on Highway 212.

Harmful algae blooms have been rapidly producing in a place previously too cold to host the toxin: the Arctic.

The Health Advisory level for this type of algae is 8 micrograms per liter. Samples, however, showed levels between 10 and 28 micrograms per liter. A photo shows the pink algae in a water sample ...

A pink algae bloom that could be toxic to pets and people has Ijams Nature Center advising people to stay away from Mead’s Quarry. The quarry is experiencing a temporary bloom of "Planktothrix ...

Pontoosuc Lake still has a “moderate risk” advisory on the city’s web page, even after the key health advisory was lifted ...

Water in the Boondall Wetlands turned bright pink in a “rare” phenomenon caused by dry weather conditions and algae, photos show and officials said. Screengrab from 9 News Facebook video ...

The startup currently grows 120 metric tons (132 U.S. tons) of the algae per year and sells it as an ingredient to be used in food or supplements. (They are scaling up to 400 metric tons per year ...

Water in the Boondall Wetlands turned bright pink in a “rare” phenomenon caused by dry weather conditions and algae, photos show and officials said. Screengrab from 9 News Facebook video ...

Water in the Boondall Wetlands turned bright pink in a “rare” phenomenon caused by dry weather conditions and algae, photos show and officials said. Screengrab from 9 News Facebook video ...

Water in the Boondall Wetlands turned bright pink in a “rare” phenomenon caused by dry weather conditions and algae, photos show and officials said. Screengrab from 9 News Facebook video ...

A pink algae bloom that could be toxic to pets and people has Ijams Nature Center advising people to stay away from Mead’s Quarry.. The quarry is experiencing a temporary bloom of "Planktothrix ...