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Topic Pages

Topic Pages introduce an aspect of the environment and its relation to public health by featuring a curated shortlist of NCCEH and external resources. The most relevant resources related to a topic have been selected to best guide the search for further information. These lists are not intended to be exhaustive, and the omission of any individual resource does not preclude it from having value.

Hydraulic Fracturing for the Production of Shale Gas

Hydraulic fracturing (also termed “fracking”) is the process used, along with horizontal drilling, to extract unconventional natural gas (shale gas, tight gas or coalbed methane) and tight oil from reserves deep in the earth. Fractures are created in relatively impermeable rock (such as shale) by injecting large amounts of fracturing fluid (a mixture of water and chemicals) deep into the earth...

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