But the large amount of gas released following the tremor has been both potentially dangerous and damaging to the pit.

BBC: Earthquake sparks methane alert

The biggest is probably the large amount of coal to gas switching occurring in the power generation industry.

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Because of the large amount of dust and gas in such galaxies, it is difficult to peer deep into their central regions with optical telescopes.

BBC: Black holes on collision course

The oil and gas law, West said, is intended to ensure extraction of the maximum amount of oil and gas from a large area, protect the mineral rights of multiple landowners, and prevent waste of the resource.

WSJ: NY appeals court to consider local fracking bans

To date no technology has been able to accurately measure and quantify the amount of methane emitted from fracking sites and other natural gas fields over a large scale.

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Though the total amount of gas hydrates possibly recoverable is not yet known, it seems safe to assume it is sufficiently large that exploiting it in its entirety would throw the climate deeply out of the safe zone, even if no other fossil fuels are burnt.

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