South China Morning Post: Thanks to its controversial nature, most people have some knowledge of shale gas and fracking, the method used to extract it.
As fracking has boomed in recent years, energy experts have woken up to another unconventional source of natural gas. It is methane hydrate, and its potential reserves are huge.
Methane hydrate is formed naturally when methane gas, produced by microbial action or the effects of earth's heat and pressure on buried organic matter, combines with water at moderate pressures...