"Is the Chesapeake Bay Total Maximum Daily Load and its cleanup deadline enforceable? The answer is complicated."

"Plans to build Minnesota’s first copper-nickel mine suffered a major setback Monday when the state Court of Appeals reversed three permits issued to PolyMet Mining Corp. and kicked them back to state regulators for additional review."

"An industrial site in suburban Detroit from which a greenish stream of contaminated water leaked onto a freeway will be considered for the federal Superfund cleanup program, Michigan officials said Friday."

"Amid signs that the Environmental Protection Agency might not step in and force Pennsylvania to reduce the pollution it sends downstream to the Chesapeake Bay, Maryland Gov. Larry Hogan demanded Wednesday that the state attorney general file lawsuits against the agency and the commonwealth."

"TAOS, N.M. — Twice a day, every day, Vicente Fernandez walks along the banks of the Rio Fernando, inspecting the river that has shaped his valley’s fortunes for generations."

"The White House announced Tuesday that President Trump would likely veto legislation designed to manage a class of cancer-linked chemicals leaching into the water supply."

"The state of Louisiana has issued a series of key air quality permits for a gargantuan proposed petrochemical complex that would roughly double toxic emissions in its local area and, according to environmentalists, become one of the largest plastics pollution-causing facilities in the world."

"The human toll from coal-fired pollution in America has been laid bare by a study that has found more than 26,000 lives were saved in the US in just a decade due to the shift from coal to gas for electricity generation."

"Environmentalists and politicians worry Chesapeake Bay cleanup efforts could be weakened, if not doomed, days after the federal official overseeing that work called an agreement to reduce water pollution an “aspirational” goal and not rules to be enforced."

"The Trump administration on Monday took its first step toward tighter pollution controls on trucks, an anomalous move for a government known for weakening environmental policies but one that would pre-empt tougher state rules."