Gas Hydrates ~ BBC & USGS on "Burning Ice"

BBC reports Japan extracts gas from methane hydrate in world first...

"Japan says it has successfully extracted natural gas from frozen methane hydrate off its central coast, in a world first. Methane hydrates, or clathrates, are a type of frozen "cage" of molecules of methane and water. [...] Vast deposits are thought to exist, rivaling known reserves of traditional fossil fuels."

Here's USGS infopiece showing "burning ice"...