"The Trump administration is expected to roll back an Obama-era regulation meant to limit the leaching of heavy metals like arsenic, lead and mercury into water supplies from the ash of coal-fired power plants, according to two people familiar with the plans."

"Texas coal companies are leaving behind contaminated land. The state is letting them."

"Conowingo Dam owner Exelon Corp. and the state of Maryland have reached a settlement under which the Chicago-based energy company will invest $200 million to clean up the Susquehanna River, and, by extension, the Chesapeake Bay."

"The Justice Department may end a nearly 30-year practice of letting companies make amends for pollution-related violations by performing environmentally beneficial projects, a department official told Bloomberg Environment."

"Murray Energy, the U.S. coal company whose founder's "wish list" was a virtual template for the Trump administration's rollback of federal environmental and climate regulations, filed for bankruptcy protection Tuesday."

"A thick sludge of crude oil has been washing up on vast stretches of Brazil’s coast for nearly two months, and authorities and experts have been baffled by its origin."

"A group of scientists assembled by the EPA to advise it on air pollution standards couldn’t reach agreement on whether the standards should be tightened or remain the same, a development that may complicate ongoing effort to update them."

"Get ready for a surge of lawsuits over the Trump administration's decision to walk back Obama-era protections for wetlands and streams."