"Democratic presidential hopeful Bernie Sanders, who’s repeatedly accused Donald Trump of being a divisive “demagogue,” opened a new line of attack Monday night on the Republican front-runner: lampooning his views on climate change."

"Environmentalists say that leasing public land for fossil fuel production is one of the Obama administration's biggest carbon-polluting programs."

"Leading Republican presidential candidates are condemning the armed takeover of a federal wildlife refuge in Oregon and distancing themselves from the gunmen."

"Few in agriculture have shaped the debate over water more than the several hundred owners of an arid finger of farmland west of Fresno."

"The Bundy family of Nevada joined with hard-core militiamen Saturday to take over the headquarters of the Malheur National Wildlife Refuge, vowing to occupy the remote federal outpost 30 miles southeast of Burns [Oregon] for years."

"When Republican House leaders appointed Texas Republican Lamar S. Smith to lead the House science committee after a headline-grabbing run as chairman of the Judiciary panel, it looked like the veteran lawmaker could head into obscurity."

"A prominent scientist in the USDA’s Agricultural Research Service has just cleared the first hurdle in an ongoing whistleblower claim against the agency."

"Final exams and winter break loom large for students at Columbia University, but at the upper echelons of the university's administration, new calls for transparency about the funding of a university affiliated center are likely to create plenty of homework as well."

"The American Petroleum Institute together with the nation's largest oil companies ran a task force to monitor and share climate research between 1979 and 1983, indicating that the oil industry, not just Exxon alone, was aware of its possible impact on the world's climate far earlier than previously known."

"The National League of Cities, which represents over 19,000 U.S. cities, filed a motion in a federal court Tuesday to support the Obama administration's push to curb carbon emissions against legal challenges."