"New England is running out of mussels. The Gulf of Maine's once strong population of wild blue mussels is disappearing, scientists say."

"Scientists led by researchers with the U.S. Geological Survey have found an elevated number of cases of skin and liver tumors in white suckers in the Milwaukee, Menomonee and Kinnickinnic rivers — a discovery that suggests more work will be needed to remove contaminants from the waterways."

"Study finds a cocktail of legal and illegal drugs in Baltimore's Gwynns Falls, most likely from city's leaking sewers".

"ST. LOUIS -- Water samples from 16 schools in the city school system contained lead levels that exceeded those most commonly found in homes in Flint, Mich., after a contamination crisis there, according to results released Thursday by an environmental engineering company."

"The real estate data firm Zillow recently published a research analysis that estimated rising sea levels could leave nearly 2 million U.S. homes inundated by 2100, a fate that would displace millions of people and result in property losses in the hundreds of billions of dollars."

"Greenland is melting — and has been for quite some time."

"U.S. President Barack Obama will dramatically expand the Papahānaumokuākea Marine National Monument off the coast of Hawaii on Friday, the White House said, an action that will ban commercial fishing from more than 582,500 sq miles (1.5 million sq km) of the Pacific Ocean."

"Tropical Storm Colin ripped across the Gulf of Mexico in June and hit the coast of southwest Florida with 60-mile-an-hour winds. Before it arrived, a team from the U.S. Geological Survey used a new computer model to predict how far inland the waves would invade."

"Have oil and gas companies injected toxic materials into Texas groundwater sources? State regulators don't know, even though they agreed in 1982 to track injections into zones that could hold underground sources of drinking water, according to records obtained by The Texas Tribune."