Potentially toxic algae bloom starts early in Charles River 
Blue-green algae blooming on portions of the lower Charles River has the potential to release toxins harmful to people and dogs.
(JOHN TLUMACKI/GLOBE STAFF)

Potentially toxic algae bloom starts early in Charles River

Blue-green algae blooming on portions of the lower Charles River has the potential to release toxins harmful to people and dogs.

(JOHN TLUMACKI/GLOBE STAFF)