"Sen. Bernie Sanders called on President Obama to take action against the controversial Dakota Access oil pipeline during a protest outside the White House on Tuesday with members of the Standing Rock Sioux Tribe and other tribal nations."

"Royal Dutch Shell has started production at the world’s deepest underwater oil and gas field, 1.8 miles beneath the sea surface in the Gulf of Mexico."

"The Senate is set to vote on a bill providing aid for the Flint, Mich., water crisis and other threats to drinking water around the United States."

"In many American cities, finding elevated lead levels in drinking water is enough to spark serious concern. But in Pittsburgh, Pennsylvania, where many residents are delivered expensive, rust-colored and corrosive water, it’s just one of many of complaints."

"A coalition of researchers, utilities and state regulators have made progress tracking an unregulated and unwelcome contaminant in river water feeding drinking water supplies. Can they stop it?"

"Attorneys representing three households in northeast Fresno have filed a potential class-action lawsuit against the city and others over discoloration and lead in water coming from faucets in their homes."

"A river in the far north of Siberia turned bright red this week, residents said, leading Russians to nickname the tributary the 'blood river.'"

"State regulators last year documented 276 new cases of groundwater contamination across Texas, a slight increase compared to 2014 but far fewer than in years past."

"Just south of Johnson Creek sits an abandoned landfill that time, and the Oregon Department of Environmental Quality, forgot."

"Environmentalists sued the Obama administration on Thursday seeking new federal water-quality standards designed to protect marine life against the corrosive effects of carbon emissions absorbed into the ocean from the burning of fossil fuels."