"A majority of Americans say they want more stringent oversight of large-scale livestock operations, according to a national poll by Johns Hopkins University’s Center for a Livable Future released Tuesday. The polling follows a recent recommendation from the nation’s leading public health association to temporarily halt the creation of new concentrated animal feeding operations, or CAFOs, and increase their oversight and regulation."

"RCMP say no injuries reported, local highway closed after Canadian Pacific Railway derailment"

"Melanie Loessl says she's never seen anything like it.

Early Monday morning, Loessl received a phone call from her daughter, just down the road from her farmstead near Guernsey, Sask., roughly 110 kilometres east of Saskatoon.

Her daughter told her a train had derailed and caught fire.

"When I looked out my window, all I could see was flames and crazy smoke," she said. "I thought our whole place was on fire.""

"EPA has hired another political appointee in its air regulatory office who has a long history of suing the agency."

"On 'good' bad days, the shells lay open at the bottom of the river, shimmering in the refracted sunlight. Their insides, pearl white and picked clean of flesh, flicker against the dark riverbed like a beacon, alerting the world above to a problem below."

"Lawmakers have reached a deal on federal cleanup standards for per- and polyfluoroalkyl substances (PFAS) in an annual defense authorization, sources told E&E News."

"EPA's internal watchdog today delivered a scathing rebuke of former EPA Administrator Scott Pruitt's proposal to exempt high-emissions trucks from Clean Air Act requirements."

"The Environmental Protection Agency (EPA) on Tuesday released its newest definition for ambient air in a move critics say will ease burdens on polluting industries. On its surface, the guidance deals less directly with air quality than it does with fencing."

"EPA is poised to leave its national soot standards unchanged after a fractured advisory panel yesterday formally opted to recommend the status quo. While career EPA staff had tentatively concluded that the annual exposure benchmark is too weak to prevent thousands of premature deaths, a majority on the Clean Air Scientific Advisory Committee found otherwise."

"A new Harvard University study for the first time links hospitalizations for common blood, skin and kidney ailments to short-term exposure to fine particulate matter from fossil fuel combustion and wildfires."

"A debate over Montana landowners’ potential liability for toxic metals in their backyards, deposited over decades of smelting operations, dominated oral arguments involving the landowners, the U.S. EPA, and Atlantic Richfield Co. before the Supreme Court Dec. 3."