The use of fracking on five continents means many debates occur about its safety. The video explains what fracking is and why some consider it unsafe. It highlights why people use fracking and the reasons some areas no longer allow it.

Fracking. The mere mention of the word invites controversy. Before joining the debate find out just what is involved in hydraulic fracturing with a short video that examines the technology involved in extracting natural gas found...

University of Colorado environmental engineer Joseph Ryan heads a team gathering data on the pros and cons of oil and natural gas development, including the use of hydraulic fracturing. [3:07]

Fracking is a controversial topic. On the one side the gas drilling companies, on the other citizen opposed to this drilling method. Politicians are also divided on the matter.We try to take a neutral look on fracking. It is relevant for...

Safe, cost-effective refinements in hydraulic fracturing (also known as fracking), horizontal drilling and other innovations now allow for the production of oil and natural gas from tight shale formations that previously were...

An injection well is used to emplace fluids into the subsurface using pressure. This technical animation describes the injection process. [10:59]

Technical animation describes the equation used to interpret ground-water pressure and the character of the host rock during waste-water injection. [10:59]