Nature World News: Hydraulic fracturing receives much press and is taking place in many parts of the United States. Just a quick review: Fracking is a process of drilling into the earth, then injecting a high-pressure water mixture into the rock to release the gas inside. The water mixture includes sand and chemicals. The gas then flows to the well's head.
Several issues tend to be noted regarding fracking. These include its water use, the earthquake increase in a number of areas in which fracking has taken place,...