And how do methyl hydrates, which just sit on the bottom of the ocean, fit into this picture?
When the next ice age comes and sea level drops 300 meters, they will boil off and warm the planet up again. Don't mess with them or we'll all live on an iceball...(8^D)
Google IODP , Gas Methane.
I just wrote an article for Resource World and interviewed the scientists who are investigating gas methane deposits who are part of an international research program involving geologists and engineers from Japan, Korea, the US, Canada and Norway.