Feature Earth The facts behind the frack Scientists weigh in on the hydraulic fracturing debate Share this:FacebookTwitterPocketRedditPrintEmail By Rachel Ehrenberg August 24, 2012 at 10:37 am This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe