Articles sur Hydraulic fracturing

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Fracking has led to an increase in truck traffic, one of the reasons for worsening trends on air quality in areas with oil and gas drilling. AP Photo/Charles Rex Arbogast

How has the US fracking boom affected air pollution in shale areas?

The fracking boom has led to a large increase of hydrocarbon emissions in rural areas, reversing some regional air toxics trends.
There are indications shale gas may be present in South Africa’s Karoo. Reuters/Mike Hutchings

Shale gas in South Africa: game-changer or damp squib?

South Africa's Karoo region potentially holds shale gas that could transform the energy economy of the country. But given the uncertainties around exploration what's the next logical step?
Florida’s unique geology means alternative fracking methods would be used, but can aquifers be safely separated from injection wells? jsjgeology/flickr

Should Florida ‘frack’ its limestone for oil and gas? Two geophysicists weigh in

There's a debate over whether fracking should be introduced into Florida, a state with a unique geology and hydrology that introduces a long list of environmental concerns.

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