Oil and gas account for a large percentage of the world's energy consumption, and the search for new ways to extract both from the earth is a global quest. Fracking is viewed as an energy game-changer but is a controversial topic about which there is much misunderstanding. This unbiased work was written to bring clarity to the issues. Under the guidance of an internationally recognized public health expert, this book provides a comprehensive look at unconventional natural gas development from many different perspectives.