"It was 8 degrees in Minneapolis on a recent January day, and out on Interstate 394, snow whipped against the windshields of drivers on their morning commutes. But inside the offices of Cargill, the food conglomerate, Greg Page, the company’s executive chairman, felt compelled to talk about global warming."

"Coal prices, already down 52 percent since 2011, are forecast to keep falling. The rout shows that exporters’ OPEC-like tactics of trying to squeeze out high-cost producers have been frustrated by the rising dollar."

"CARACAS, Venezuela — Mary Noriega heard there would be chicken."

"Nearly 50 environmentalist organizations sent a letter Wednesday to every member of Congress, urging them to oppose granting President Barack Obama 'fast-track' authority to pass new free trade deals."

"Oil services company Baker Hughes Inc. will lay off about 7,000 workers as it prepares for a downturn in orders because of the plunge in crude prices, the company said Tuesday."

"MIDLAND, Tex. — With oil prices plummeting by more than 50 percent since June, the gleeful mood of recent years has turned glum here in West Texas as the frenzy of shale oil drilling has come to a screeching halt."

"The money is a key component in the push for a global agreement this year to limit global warming."

"Back in 2006, SolarCity was a small Bay Area solar energy startup with a handful of employees. Before long, according to CEO Lyndon Rive, the company was doubling in size every year to keep up with voracious demand for rooftop solar systems. Today, the company has over 9,000 employees spread across 65 offices nationwide; they’re are busy every day designing, selling, and installing solar systems."

"U.S. solar companies boosted their employee rolls by 22 percent last year, and now employ 86 percent more workers than they did in 2010, driven by rising demand in the world’s third-largest market."

"In 2010, China set in motion a wave of worry around the globe when it dramatically lowered quotas on its exports of rare earth elements, which are crucial to the making of everything from cellphones to missile systems to electric-car batteries. China held 95 percent of the world's supply."