National (U.S.)

"A treaty more than 150 years old shields tribal businesses from Washington state's gas tax, the Supreme Court ruled today."

"A growing number of cities are looking beyond the usual 100-year floodplain and requiring more homes to be built higher for their own protection. "

"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."

"An eerie, thick fog settled over Nebraska and Iowa on Tuesday."

"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."

"Winter storms have covered the Rocky Mountains with snow from Wyoming to northern New Mexico, leaving a bounty of runoff that should boost the levels of the Colorado River’s depleted reservoirs this spring and summer."