Nature World: Methane build-up in the Arctic is one of scientists' major concerns regarding warming Arctic temperatures. Along with melting poles and threatened species, the fear is that carbon locked in the soil will release as carbon dioxide and methane.
But there might be some hope in this area. That is, Princeton University researchers and others recently published a report in The ISME Journal saying that bacteria that eat methane might allow most Arctic soil to absorb, not release, methane. According to...