Two researchers describe their research on the fate of massive methane releases from the Gulf oil spill during the summer and fall of 2010. (livescience.com)
Is there any evidence for massive methane release events having occurred further back - e.g. at any point during the Cenozoic? (skepticalscience.com)
Remote ignition of methane in the atmosphere would not prevent massive methane releases from exhausting the capability of whole oceans to oxidize methane, though, making it more likely that methane would survive the trip to the surface of the ocean. (robertscribbler.com)