Authorities in the Western Isles have issued a rare warning of a potentially harmful algal bloom on one of the islands' lochs. Blue-green algae occurs naturally in warm weather across the UK, but ...

For South Florida’s commercial fishermen, the effects of red tides on their operations have become a grim annual reality. The tides, named for when overproduction of the harmful algae Karenia brevis ...

Researchers say chlorine in combination with ultraviolet light works to degrade deadly toxins created by harmful algae blooms in drinking water.

The spillway at Lake Berryessa, known as the “Morning Glory Hole,” was activated this month for the first time in six years, according to Solano County Water Agency.Chris Lee, the general ...

This essay is a follow up on the photograph published in the Jan. 16 Commonwealth (pictured above) that showed duckweed ...

Photos and videos show water gushing into the hole after back-to-back atmospheric rivers poured several inches of rain over northern California, raising Lake Berryessa water levels enough that ...

Harmful algal blooms, sometimes called HABs, occur when algae grow out of control. Algae are photosynthetic organisms that mostly live in water and rely on the sunlight for energy. Because of ...

LAKE BERRYESSA – In what has become a much-anticipated sight, the morning glory spillway at Lake Berryessa is now active after this week's storms. After an extended dry spell that started off ...