"Two controversial measures from Minnesota congressmen, both of which would ease the way for mining expansion in northeastern Minnesota, have divided the state’s congressional delegation while spurring a broader environmental debate in the U.S. House."

"The Trump administration is holding talks on providing nuclear technology to Saudi Arabia — a move that critics say could upend decades of U.S. policy and lead to an arms race in the Middle East."

"The Trump administration on Wednesday unveiled a recovery plan for the endangered Mexican wolf, but environmentalists immediately assailed the program as so deficient it would lead to the demise of one of North America’s most imperiled mammals."

"Senate Republicans may have hit a procedural snag in their bid to open Alaska’s Arctic National Wildlife Refuge to oil drilling. An arcane budget rule may hinder GOP efforts to include drilling in the tax overhaul legislation."

"The Montana Supreme Court on Tuesday ordered a special claims court be activated for people who have contracted asbestos-related disease or died from asbestos exposure from a now-shuttered W.R. Grace mine in northwestern Montana."

"The city of San Diego recently cleared a major legal hurdle in its effort to force chemical giant Monsanto to pay tens of millions to clean up local waterways polluted with a class of cancer-linked chemicals, known as polychlorinated biphenyls, or PCBs."

"LANSING, Mich. -- Gov. Rick Snyder's administration is planning to require the replacement of every underground lead service pipe in Michigan within 20 years while delaying by four years a deadline to implement the nation's toughest lead limit for drinking water, in the wake of the Flint lead crisis."

"President Trump will travel to Utah on Monday to lay out his plans to cut the size of Bears Ears and Grand Staircase-Escalante National Monuments, according to individuals briefed on the matter who spoke on the condition of anonymity because it had not been formally announced."

"Efforts to phase out a chemical used in nonstick coatings have resulted in fewer U.S. babies being born underweight in recent years, according to findings published in the International Journal of Hygiene and Environmental Health."

"A subsidiary of an Italian energy company has received a federal permit to drill the first oil exploration wells in U.S. Arctic waters in two years."