Toxic algae can be harmful to pets and people, especially those who are elderly, immunocompromised or have underlying health ...

Ohio water researchers see some progress in reducing nutrient loading to the lake, but much work remains to curb annual scums ...

A number of Minnesota cities have reported blue-green algae blooms this summer, causing the temporary closing of some beaches ...

A boat in Lake Powell near Bullfrog on Oct. 6, 2022. Glen Canyon National Recreation Area officials issued an advisory on ...

Brian Wheeler, director of Save Wild Trout, recently documented extensive algae blooms on the Big Hole, Jefferson and Boulder ...

Don’t boat, water ski, or jet-ski on scummy water. These activities can cause toxins to become airborne, increasing the ...

A toxic algae bloom is disrupting Fourth of July weekend recreation at one of the West’s most popular lakes. National Park ...

The National Park Service detected the presence of cyanotoxins in Antelope Canyon, in concentrations at the high end of safe ...

Water quality scientists predict the harmful algae bloom on western Lake Erie this year will be relatively mild and less ...

Algal blooms can transform water sources into health hazards for livestock, so understanding how to identify, prevent and ...

Long-time river watchers and local scientists say this is by far the earliest they’ve seen such a massive proliferation of ...

The blooms have become an annual problem in the Great Lakes. DNA studies show what’s growing there and why it’s dangerous.