Fracking<>delivers<>natural gas<>from rock$$$rock<>might not otherwise be<>obtainable
A campaign in the United Kingdom aimed to prevent the commencing of a controversial method of shale gas extraction known as fracking have organised themselves under the name Frack Off.
Fracking delivers natural gas from rock that might not otherwise be obtainable.
What delivers natural gas from rock that might not otherwise be obtainable?