The Brian Lehrer Show Edit this Published in The Brian Lehrer Show Mark Ruffalo's Anti-Fracking Efforts Listen 16 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe width="600" height="130" frameborder="0" scrolling="no" src="//www.wnyc.org/widgets/ondemand_player/wnyc/#file=json/197387"></iframe> Share on Facebook Share on Twitter Email a Friend Anti-fracking sign at the final of four public hearings in New York city on the controversial practice known as hydraulic fracturing. (Stephen Nessen / WNYC) i Mark Ruffalo, actor and co-founder of Water Defense, and Claire Sandberg, executive director of Water Defense, discuss their anti-fracking efforts and their renewable energy agenda.