"Officials in Mississippi are trying to force the U.S. Army Corps of Engineers and the Mississippi River Commission to consult with them before opening the Bonnet Carré Spillway in Louisiana again and flooding the region with polluted river water."

"A federal appeals court today tossed out green groups' challenge to a statute the Trump administration has invoked to wipe out many Obama-era environmental regulations."

"The Oak Flat land in Arizona is holy to the Apaches. A mining company wants to blow a two-mile-wide hole in it."

"President Donald Trump’s Interior Department removed “sexual orientation” from a statement in the agency’s ethics guide regarding workplace discrimination."

"A federal appeals court on Friday upheld former President Barack Obama’s designation of a federally protected conservation area in the Atlantic Ocean, a move that commercial fishermen oppose."

"Federal courts will kick off 2020 with arguments and hearings in cases that could more clearly define federal authority over the oil, gas and electricity sectors and agencies' duty to consider environmental harms from energy use and development."

"Some Detroit lawmakers and residents are keeping up the fight against the proposed expansion of a hazardous waste facility."

"The Interior Department is moving to formally define "habitat" in the Endangered Species Act, part of an anticipated second wave of changes to the bedrock conservation law under the Trump administration."

"As the state of Virginia prepared for a major bridge and tunnel expansion in the tidewaters of the Chesapeake Bay last year, engineers understood that the nesting grounds of 25,000 gulls, black skimmers, royal terns and other seabirds were about to be plowed under."

"In just three years, the Trump administration has diminished the role of science in federal policymaking while halting or disrupting research projects nationwide, marking a transformation of the federal government whose effects, experts say, could reverberate for years."