Review by Rachel Ehrenberg
Deep in the earth, from eastern Ohio through West Virginia, Pennsylvania and upstate New York, lies the Marcellus Shale, a nearly 400-million-year-old geologic formation harboring vast quantities of natural gas. That statement isn’t up for debate, which makes it rare in the divisive discussions about the rush for gas — and particularly about hydraulic fracturing, the process used to extract it (see Page 20).
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.