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Results of toxicity tests of the blue-green algae bloom in Lake Connewarre and lower sections of the Barwon River Estuary revealed no change in conditions late last week.

The company in charge of the Opuha Dam is trying to find out why a potentially toxic algal bloom continues to plague the Opihi River.

A Gwynedd angling group says it wants to meet the Welsh government in a final bid to stop pollution spoiling rivers.

Bay of Plenty Regional Council says if a trial aimed at preventing the release of nitrogen and phosphorous from the bed of Lake Rotoehu is successful, it could be used in bigger lakes in the region.

Authorities predict bans on swimming in the Gippsland Lakes due to a toxic blue green algae outbreak will remain in place until the end of summer.

China has spent billions of yuan trying to cleanse its third largest lake, where decades of pollution have brought ecosystems to the brink. But problems persist, report Liang Guorui and He Hanfu.

Maryland officials have filled in the blanks on their draft Chesapeake Bay cleanup plan, and attached an eye-popping pricetag - $7.5 billion over the next five years, and nearly double that by 2025.

THE emergence of a likely algae outbreak in Port Phillip Bay again highlights the need for a clean-up plan for the waterway, the federal opposition says.

Nitrogen fertilizers have been crucial to feeding the increasing number of mouths on earth, but the pollution they leave behind has real consequences that have costs of their own.

VERO BEACH — A Fort Pierce-based environmental research group is shining light — bioluminescence, to be precise — on the problem of pollution in the Indian River Lagoon.

Oyster farmers and locals are celebrating a decision to abandon the release of more effluent into Hawkesbury River, saying it will ensure the health of the famous waterway.

FORT MYERS - Scientists have discovered another algae bloom - one that is impacting the Caloosahatchee River. It has been found along the river from downtown Fort Myers to Fort Myers Shores.

TALLAHASSEE, Fla. -- Water pollution rules supported by business, agriculture and utility interests but opposed by environmentalists, who say they are too weak, appear headed for quick passage in the Florida Legislature.

Authorities say a blue-green algal bloom is now spreading further through the Gippsland Lakes system.

After months of negotiations, local environmental groups have agreed to settle two federal lawsuits seeking to force the US Environmental Protection Agency to reduce pollution flowing from septic tanks into Cape Cod waters.

If you live along the coast and have been noticing a fishy smell in the air, you are not the only one.Residents from Warner Beach in the south to Umhlanga, north of Durban, say they have noticed a strange odour wafting in from the ocean.

ELEANOR HALL: The World Wildlife Fund says that pollution might be to blame for a dramatic increase in the number of turtles with a debilitating form of the herpes virus.

AIRFIELD COUNTY, Conn. – Shortly after Hurricane Irene rolled through Connecticut, people near Fairfield’s beaches were warned not to wade in the flooded streets because sewage had possibly mixed with the rainwater. It turns out that was a problem not just for flooded streets but also for all of Long Island Sound.

PROVIDENCE – R.I. Attorney General Peter F. Kilmartin, accused the head of the Mass. Department of Environmental Protection of taking an “anti-environmental position … at the expense of our beautiful [Narragansett] Bay.”

Environmental officials say that a fertiliser factory in Russia has become the biggest single source of phosphorous emissions into the Baltic Sea.