PROVIDENCE, R.I. (AP) — Rhode Island officials are urging people to avoid contact with Providence's Mashapaug Pond due to harmful blue-green algae.

MINOT, N.D. (AP) — A group of Minot High School honors biology students have volunteered to help with a water study that stretches from the United States to Canada.

LAUREL, Md. (AP) — A potentially harmful algae bloom has prompted warnings for people to exercise caution when kayaking or boating a reservoir in Montgomery and Howard counties in Maryland....

NORFOLK, Va. (AP) — A bioluminescent algae has been lighting up the lower Chesapeake Bay along the shores of Norfolk and Virginia Beach.

CENTRAL LAKE, Mich. (AP) — A northern Michigan lake that’s famous for its turquoise waters is facing an outbreak of brown algae that’s left its sandy bottom covered with mushy, squishy mats....

COLUMBIA, S.C. (AP) — South Carolina health officials are warning people to stay out of a lake due to elevated levels of toxins associated with algae blooms in the water.

PROVO, Utah (AP) — Dozens of bodies of water in Utah were not tested for toxic algae blooms this spring because of state budget cuts.

They previously underwent regular testing before the...

BOSTON (AP) — Large private-property owners eventually could be required to limit the amount of phosphorous they discharge into stormwater that ends up in the Charles River.

GREENVILLE, R.I. (AP) — Health and environmental officials are warning people to avoid the Slack Reservoir in Greenville because of a blue-green algae bloom in the pond.

BURLINGTON, Vt. (AP) — Two Vermont beaches have been closed after a blue-green algae bloom was discovered.

The Burlington Parks and Recreation Department tweeted Thursday that North Beach...

CONCORD, N.H. (AP) — New Hampshire has announced that the ban on harvest of shellfish due to a harmful algal bloom has been lifted along the Atlantic Coast.

RENO, Nev. (AP) — A toxic algae bloom has shut down Pyramid Lake north of Reno.

The lake has been closed to outside visitors since the Pyramid Lake Paiute Tribe banned visitors to the...

SALT LAKE CITY (AP) — Toxic levels of a cyanobacteria have been detected in a Utah river for the first time after a dog suffered seizures and died at Zion National Park, officials...

TALLAHASSEE, Fla. (AP) — Republican Florida Ron DeSantis signed a slew of environmental bills in less than 24 hours that address issues ranging from sea level rise to blue-green algae blooms — and...

DOS PALOS, Calif. (AP) — Residents of a town in central California won't have water for several days after the town's water treatment plant became clogged with algae, officials said.

PROVO, Utah (AP) — Utah health and water quality officials will temporarily stop monitoring a lake for toxic algal blooms as a result of state funding uncertainty caused by the coronavirus...

TOPEKA, Kan. (AP) — Health officials in Kansas have issued public health advisories for several lakes and ponds across the state where toxic algae has been found.

HAMPTON, N.H. (AP) — New Hampshire’s Department of Environmental Services closed the ocean coastline to shellfish harvesting for now over concerns about a toxin.

ANNAPOLIS, Md. (AP) — The Maryland Department of Environment is reporting that thousands of fish have died in some of the state's waterways.

TALLAHASSEE, Fla. (AP) — The Florida Legislature is attempting to rein in the blue-green algae blooms that have hurt tourism and wildlife, sending Republican Gov. Ron DeSantis a bill that seeks to...

TOLEDO, Ohio (AP) — An unusual ballot measure approved by voters in Ohio's fourth-largest city to give legal rights to Lake Erie has been struck down by a federal judge.

TRAVERSE CITY, Mich. (AP) — Federal grants totaling more than $1.8 million are being awarded to five organizations for projects that will use market-based approaches to reducing nutrient pollution...

TOLEDO, Ohio (AP) — Political leaders and environmentalists who have spent years pushing Ohio to adopt a pollution diet to combat toxic algae blooms in Lake Erie say the state's plan to do just...

TOLEDO, Ohio (AP) — Ohio wants to put Lake Erie on a new, stricter pollution diet to fight back against the toxic algae blooms that have flourished for more than a decade, environmental regulators...

ST. CLAIR SHORES, Mich. (AP) — People who live along the shores of Lake St. Clair in southeastern Michigan are wondering how much it will cost them to clean up a sludge-like substance that...

TALLAHASSEE, Fla. (AP) — The scum of blue-green algae was so thick and invasive in Florida two years ago that it suffocated fish by the thousands. Birds dropped dead. And people stayed out of the...

JACKSON, Miss. (AP) — Low-interest disaster loans are available for small Mississippi businesses hurt by toxic bacteria that closed every mainland beach in the state during the summer. Those in...

MEXICO CITY (AP) — Mexican environmental authorities said Thursday that 292 sea turtles found dead on the country's southern Pacific coast since Christmas died as a result of a red tide algae...

PROVIDENCE, R.I. (AP) — Rhode Island health and environmental officials have lifted recreational advisories that have been in place for a number of bodies of water because of a blue-green algae...

NEWPORT, Vt. (AP) — An organization that focuses on international water issues between the United States and Canada is recommending that the state of Vermont and province of Quebec work together...

MASHPEE, Mass. (AP) — A five-month old algae bloom on Cape Cod is continuing to spread from a pond to an adjoining river despite colder temperatures.

OREGON, Ohio (AP) — Ohio will begin work in the coming months on creating and restoring wetlands as part of its new strategy to deal with the toxic algae blooms that have plagued Lake Erie for...

TOLEDO, Ohio (AP) — Ohio’s new strategy to combat the toxic algae plaguing Lake Erie will focus on reducing agriculture runoff that feeds the yearly outbreaks by offering farmers financial...

MONTPELIER, Vt. (AP) — Five Vermont groups are sharing more than $1 million to use phosphorus recovery technologies as the state works to reduce algae-causing phosphorus runoff into Lake Champlain...

TOLEDO, Ohio (AP) — A federal judge in Ohio says an environmental group pushing for mandatory regulations to prevent toxic algae blooms on Lake Erie can move forward with its lawsuit.

LOUISVILLE, Ky. (AP) — Part of a Kentucky triathlon has been canceled over toxic algae blooms in the Ohio River.

News outlets report a statement by The Ironman Group says officials have...

BURLINGTON, Vt. (AP) — As Vermont works to reduce algae-causing phosphorus runoff into Lake Champlain as mandated by the U.S. Environmental Protection Agency, nearly $2 million in federal funding...

WINCHESTER, Idaho (AP) — A public health advisory is in place for Winchester Lake after testing indicated elevated levels of toxins produced by blue-green algae.

JACKSON, Miss. (AP) — All 21 beaches along the Mississippi Gulf Coast are open after being closed this summer for a harmful algae bloom.

The Mississippi Department of Environmental Quality...

HILO, Hawaii (AP) — Hawaii scientists say lava from the 2018 Kilauea volcanic eruption has triggered an algae bloom that could be seen from outer space, a newspaper said.