"Faced with reservoirs less than half full along the Colorado River, federal authorities and negotiators for Colorado and six other Western states on Tuesday finalized a landmark plan to share the burden of voluntarily using less water as growing cities and warming temperatures deplete the supply for 40 million people."

"A jury in the first federal court trial of thousands of lawsuits by cancer victims against the manufacturer of the world’s most widely used herbicide found Tuesday that Monsanto’s Roundup was a likely cause of a Sonoma County man’s non-Hodgkin’s lymphoma."

"A pair of Democratic lawmakers are calling on the Interior Department watchdog to look into ethical concerns involving a number of key agency officials."

"President Trump's deregulatory boss is now seated on one of the most powerful courts in the nation, where she'll have lifetime tenure to influence environmental policy and other issues."

"The District of Columbia's top lawyer is preparing for a potential courtroom fight against one of the biggest oil companies in the world."

"Facing billions of dollars in cleanup costs, the Pentagon is pushing the Trump administration to adopt a weaker standard for groundwater pollution caused by chemicals that have commonly been used at military bases and that contaminate drinking water consumed by millions of Americans."

"The EPA’s yearslong, tenuous effort to ease air pollution limits on trucks with rebuilt engines can be traced back to a day early in Scott Pruitt’s tenure as administrator."

"The Trump administration on Friday finalized its plan to loosen Obama-era protections on the habitat of the sage grouse, an imperiled ground-nesting bird that roams across 10 oil-rich Western states."

"The Environmental Protection Agency announced on Friday new limits on a lethal chemical found in paint stripping products that has been linked to more than 50 deaths since the 1980s."