The cyanobacteria bloom, also known as blue-green algae, can sicken people and animals who come in contact with it.

Health officials say there is an elevated count of cyanobacteria, or blue-green algae, in the Charles River this weekend.

The Charles River Watershed Association has spearheaded a campaign called 'Cut the Crap' to address the problem of sewage ...

A bloom of toxic blue-green algae was found in the Charles River near the Harvard Bridge on Thursday, prompting health ...

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

Waters in Plymouth and Brookline tested positive for toxic blue-green algae blooms that can make people and pets sick.

Australia has more national parks than any other country in the world. Whether you hit the trail, take flight or head out on ...

In the Boundary Waters, more than 100 lakes are considered impaired because of mercury levels that lead to limits on fish ...