Artists Against Fracking Coalition Event

(L-R) Actor Mark Ruffalo, professor of engineering at Cornell University, Dr. Anthony Ingraffea, and Sean Lennon look on as Yoko Ono speaks at the Artists Against Fracking Coaltion Event at Paley Center For Media on August 29, 2012 in New York City.
(Aug. 28, 2012 - Source: Mike Coppola/Getty Images North America)
Yoko Ono and Dr. Anthony Ingraffea Photos appear in: