Its not at all "science" clathrates are P/T controlled and they are indicatiove of a CH$ sink , not a source.
As a geologist Ive never been a fan of Anthropogenic Global climate change. Theres very little data to support.
Methyl hydrates,are an artifact of water and pressure acting on methanegas (clathrates is a textural, not a term of genesis or composition and it was popularized by some wag in Europe because of the "triscuit" like structure of the rock, and now its so overused as to be obscure in its real sense.Clathrate is a term that is primarily used in mining geology to describe "Augite/LEucitic minerals where the mineral chemistry forms a compound lattice like structure, and furtherits used to describe textures in fossil bed depositions where we get a "triscuit" terrain formed by certain coral and bryozoan fossil beds) . Methyl hydrates are formed by pressure on the methane and temperature on the water at depths of greater than say, 1000m. The depression of melting temp on seawater is overcome by the exhausting of methane which quickly crytallizes. Thats why BP was given advice from groups of thousands of geologists that their first capture technique (The oversized outhouse) wouldnt work. Once the methane degassed from the crude, it quickly froze into a methyl alushie due to the pressure and Temp at the coalescence point. Hydrates are more a problem of formation plugging up things in deep waters. The main environmental crisis that would occur to them de gassing is if the polar ice began to thicken again and the water lewvels of the ocean would again drop by 300 or so feet.
Keller. E.A. (2002) Introduction to Environmental Geology
Prentice Hall, gives a good discussion of methyl hydrates and why they can be a resource as long as we can react them in situ and pipe the gas or else keep it in a solid state at the P/T triple point of solidification.
I did a lot of research and exploration for hydrates off the East Coaqst (in the Bermuda banks area) back in the early 80's before Reagan killed all the alternative energy research that was initiated by Carter. (I did my grad work in mid 70's so Im an old coot)