"German automaker Volkswagen is apologizing for its violations of federal air pollution emission standards with a full-page ad in 30 U.S. newspapers, The Verge reports."

"The first map showing the world's hidden groundwater was published on Monday, bringing us closer to estimating how much there is, and when it will run out if we over-use the resource."

"Overuse of antibiotics in animal feed is making it harder for doctors to treat life-threatening infections in young children, a report from U.S. pediatricians warns."

"Climate change leaders from around the world are applauding the French government's decision to press on with a landmark U.N. conference in Paris at the end of the month, even in the wake of deadly terrorist attacks. But just how robust the event will be is still unclear."

"Campaigners looking to this weekend’s G20 leaders meeting in Antalya, Turkey, for progress on the climate agenda have been left disappointed."

"One recipe for renewable natural gas goes: Place manure from about 2 million hogs in lagoons, cover them with an impermeable material and let it bake until gas from the manure rises. Then, use special equipment to clean the gas of its impurities and ship the finished product out."

"Walking down almost any street in Seattle’s historic downtown, Eric Holdeman sees danger. Holdeman ran the King County Office of Emergency Management for 11 years. He doesn’t think the area around Pioneer Square would do well in a powerful earthquake."

"While some squirrel species can be found hiding in neighborhood bushes or rummaging through city trash cans, the Delmarva Peninsula fox squirrel largely stays in rural, woodland habitats."

"One week ago, two members of a four-person team patrolling for illegal loggers and wildlife poachers in the Preah Vihear Protected Forest in northwestern Cambodia were shot and killed in their sleep, as Mongabay reported. Six men suspected in the murders, including a soldier, were arrested early in the week, but have been charged only with illegal logging for the moment as authorities continue to sift for evidence."