"Heat rising up from cities such as New York, Paris and Tokyo might be remotely warming up winters far away in some rural parts of Alaska, Canada, and Siberia, a surprising study theorizes."

"Lord Stern, author of the government-commissioned review on climate change that became the reference work for politicians and green campaigners, now says he underestimated the risks, and should have been more 'blunt' about the threat posed to the economy by rising temperatures."

"'Can vegans stomach the unpalatable truth about quinoa?,' thunders the headline of a recent Guardian piece. Hard to say, but reality check: It isn't just vegans who enjoy quinoa. Like many occasional meat eaters I know, I've been eating it for years. Quinoa is also big among gluten-intolerant omnivores. So quinoa's truth—unpalatable or not—isn't just for its vegan fans to bear."

"Islanders claim Berkeley-based Earth Island Institute failed to fulfill deal to pay $400,000 to stop hunt."

"New research suggests the chemicals are playing a significant and previously unknown role in the global decline of amphibians."

"Glaciers in the tropical Andes have shrunk by 30-50% since the 1970s, according to a study."

"Bird flu researchers end a yearlong moratorium on experiments to determine whether the H5N1 virus can mutate and spread among humans. The work, which was deemed risky, won't resume yet in the U.S."

"As world food and energy demands grow, nations and some corporations increasingly are looking to acquire quality agricultural land for food production. Some nations are gaining land by buying up property -- and accompanying water resources -- in other, generally less wealthy countries."

"Diet and exercise are seen as the key factors that cause obesity, but new research suggests that certain chemicals called obesogens contribute to the global weight problem. Bruce Blumberg, professor of developmental and cell biology at the University of California at Irvine tells host Steve Curwood that the effects of an obesogenic chemical he studied seem to persist for several generations."

"GENEVA -- A new and legally binding international treaty to reduce harmful emissions of mercury was adopted Saturday by more than 140 nations, capping four years of difficult negotiations but stopping short of some of the tougher measures that proponents had envisioned."