Fracking to blame for Ohio earthquakes
September 4, 2013, 12:29 p.m. by Charles Q. Choi, LiveScience
The Youngstown quakes were triggered by wastewater injection, scientists have discovered.
Mark Ruffalo speaks out against fracking
October 5, 2010, 11:59 a.m.
Mark Ruffalo, actor and environmental activist whose family lives in an area of upstate New York directly where 'fracking' is a common practice, explains the dangers to MSNBC's Rachel Maddow.