This story hit the Independent yesterday, and I really hope these preliminary findings are exaggerated, or not what they seem:
Exclusive: The methane time bomb
Arctic scientists discover new global warming threat as melting permafrost releases millions of tons of a gas 20 times more damaging than carbon dioxide
Tuesday, 23 September 2008
The first evidence that millions of tons of a greenhouse gas 20 times more potent than carbon dioxide is being released into the atmosphere from beneath the Arctic seabed has been discovered by scientists.
This is obviously quite a scary possibility that this might be happening. The headline is misleading however, in saying that "scientists discover a new global warming threat" - this is a threat that has been around, the scary thing is that it actually seems to be happening. Check ou the article and say a prayer - once we cross some of these tipping points its hard to see much we can do but move fully into adaptation. Stay going...