"CHICAGO -- Snow-covered roads, high winds and ice were creating dangerous driving conditions Sunday from the Dakotas to Missouri to Delaware ahead of a 'polar vortex' that'll bring below-zero temperatures not seen in years to much of the nation."

"The U.S. government is planning stricter controls on exposure to silica, a carcinogen found in workplaces ranging from dentist's offices to granite quarries, according to a new report."

"The Obama administration on Thursday detailed final regulations easing the path toward technology needed to allow new coal-fired power plants to operate."

"Climate change and energy will be a major policy battleground in the 2014 midterms, advocates on both sides of the issue promise."

"After three fiery accidents involving trains carrying crude oil out of North Dakota's Bakken Shale, regulators and industry officials are trying to figure out why the oil is exploding."

"Millions of American property owners get flood insurance from the federal government, and a lot of them get a hefty discount. But over the past decade, the government has paid out huge amounts of money after floods, and the flood insurance program is deeply in the red."

"January 1 is the end of the era of your standard, soft white Edison-designed incandescent bulb in the United States. Or at least, in theory."

"FRISCO, Colo. — Massive use of antibiotics for food production is only marginally beneficial and poses a huge long-term risk to human health, researchers in Canada say. In a new paper, the scientists proposed a user fee that could help curb excessive application antibiotics in the agriculture and aquaculture industries."

"Air pollution isn't just an outdoor problem. Unhealthy fumes may be emitted inside your own home if you're cooking over an unvented gas stove."

"WASHINGTON — To stave off climate change, sources of electricity that do not emit carbon will have to replace the ones that do. But at the moment, two of those largest sources, nuclear and wind power, are trying to kill each other off."