National (U.S.)

"Canada is warning the Trump administration that a "Buy American" plan for U.S. oil and gas pipelines could have an unexpected casualty: coal country."

"About a month after an anti-predator device spit sodium cyanide in the face of an unsuspecting boy and killed his dog, the U.S. Department of Agriculture has announced it is ending its use of the M-44 mechanisms in Idaho indefinitely."

"These rivers face a number of threats, from dams to pollution and a possible reduction in conservation funding."

"Twin Cities is a hot spot in a national study of lakes and road-salt runoff. It showed that salt concentrations in the Mississippi, mostly from road salt, have increased 81 percent since 1985."

"The Trump administration yesterday asked a federal court to toss a lawsuit challenging the president's requirement that agencies scrap two regulations for every new one created."

"In a win for environmentalists, a federal court [Tuesday] tossed a George W. Bush-era rule exempting animal feeding operations from certain pollution reporting requirements."

"The U.S. Court of Appeals for the District of Columbia Circuit granted the Environmental Protection Agency’s request Tuesday to delay oral argument in a case over its 2015 smog standard, allowing the agency time to reconsider the Obama-era rule."

"Teaching material sent by Heartland Institute to thousands of teachers denies climate science, aims to teach a 'debate.'"

"Science teachers and legislators are fighting back after a conservative advocacy organization mailed false information on climate science to thousands of school science teachers nationwide.

"Oregon officials think they've found high levels of a cancer-causing chemical in the air near a Lebanon battery parts maker, but a judge won't let them say a word about it.

Linn County Circuit Court Judge Thomas A. McHill on Friday agreed to Entek International's request for what appears to be an unprecedented gag order against state environmental and health regulators. Entek would be "irreparably harmed" if the regulators told the public about the preliminary finding, McHill wrote.

"A biblical torrent here in October 2015 destroyed 51 dams, flooded hundreds of homes and businesses and led to more than 15 deaths. Officials say the disaster is a cautionary tale for a patchwork of weak, underfunded state dam oversight agencies across the country."