Reuters: The vast Southern Ocean around Antarctica has started to soak up more greenhouse gases from the atmosphere in recent years, helping limit climate change, after signs its uptake had stalled, a study said on Thursday. The Southern Ocean's natural absorption of carbon roughly doubled to 1.2 billion tonnes in 2011 - equivalent to the European Union's annual man-made greenhouse gas emissions - from levels a decade earlier, it said. "It's good news, for the moment" for efforts to slow man-made global...