NEW YORK, NY - AUGUST 29: (L-R) Actor Mark Ruffalo, professor of engineering at Cornell University, Dr. Anthony Ingraffea, and Sean Lennon and Yoko Ono speak at the Artists Against Fracking Coaltion ... more 
NEW YORK, NY - AUGUST 29: (L-R) Actor Mark Ruffalo, professor of engineering at Cornell University, Dr. Anthony Ingraffea, and Sean Lennon and Yoko Ono speak at the Artists Against Fracking Coaltion Event at Paley Center For Media on August 29, 2012 in New York City. (Photo by Mike Coppola/Getty Images) less 
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Getty Images | Photo By Mike Coppola / Getty Images
Wed, Aug 29, 2012 2:42 PM EDT