We are starting two rulemakings to update Washington’s water quality standards to help address freshwater nutrient pollution and the harmful, toxic algal blooms that can result from it.

An unprecedented toxic algal bloom in South Australia has devastated marine life, tourism and fishing. With no clear end in ...

An underwater bloom of toxic algae has wreaked havoc off the coast of South Australia since mid-March 2025. After eight ...

In a significant step toward dealing with the persistent harmful algal bloom affecting the South Australian coast, ...

Besides domoic acid, which can cause gastrointestinal and neurological issues, the bloom also produced the “extremely deadly” ...

When researchers sampled brain tissue of stranded dolphins, they found Alzheimer’s disease-like developments and drastically ...

There are at least a hundred unknown species of green algae in Swedish waters, and some of them are already causing problems ...

A 2024 satellite photo shows an unusually active bloom of toxic cyanobacteria swirling in the water of Nevada's Pyramid Lake.

LAKE HOPATCONG, New Jersey (WABC) -- Officials in New Jersey on Monday announced more than $13 million in funding to local communities and a new initiative to reduce and prevent future harmful algal ...

Boston health officials warned people and their pets to stay away from the Muddy River in Boston's Fenway neighborhood due to a toxic algae bloom in the water. They should avoid direct contact with ...

The Gila National Forest has issued a public health and safety area closure of Quemado Lake due to a harmful algal bloom, the ...