Dear EarthTalk: I hear there's a greener form of fracking for natural gas and oil that uses carbon dioxide instead of water to access underground reserves. Is this really better for the environment? — ...

New research confirms fracking causes slow, small earthquakes or tremors, whose origin was previously a mystery to scientists. The tremors are produced by the same processes that could create large, ...

Hydraulic fracturing for oil and gas is linked to an array of health harms, including cancer, cardiovascular disease, asthma and birth defects, according to the latest compilation of studies on the ...