Hydrofracking (Cornerstones of Freedom: Third Series)

الوصف

Despite a growing interest in renewable energy sources, most of the energy used in the United States still comes from fossil fuels. At the same time, many Americans would like to decrease the countrys dependence on foreign oil and gas supplies. Hydraulic fracturing, or hydrofracking, is one possible solution to meeting the nations natural gas needs. This title explains how hydrofracking works and explores the controversy surrounding its potentially harmful impact on the environment.