Just days after being reopened, Lake Mattoon is closed to swimming after city officials said there are still signs of a ...

The Trump administration will reverse a Biden-era approval of a major wind energy project — marking the latest in a string of ...

A harmful algal bloom at Lake Mattoon has prompted officials to close the beach until further notice. The bloom, which can ...

Health officials in Massachusetts are spreading the word about harmful blooms of cyanobacteria, also known as blue-green ...

Syracuse, N.Y. -- Verona Beach State Park, at the eastern shore of Oneida Lake, has been closed for algae blooms since ...

The Wyoming Department of Health has issued a bloom advisory for Sloans Lake in Cheyenne, warning residents about the ...

Amid SA's devastating algal bloom, a citizen scientist says she has recorded more than 1,000 observations of dead sea ...

Town officials have issued a public health advisory after a blue-green algae bloom known as cyanobacteria has been found in ...

A harmful algae bloom has closed a beach in Eau Claire County. Officials with the county's health department Thursday say in addition to a continuing advisory for Lake Altoona Beach, the beach at Lake ...

A cyanobacteria bloom has expanded in western Lake Erie, now covering an area of about 160 square miles along the Michigan ...

As trillions of algal cells multiply, die and sink, their decomposing cells strip oxygen from the water and block sunlight, ...

Salt Lake County Health Department is warning Jordan River recreationalists to take precautions after finding harmful algae ...