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"Much like his role as the Hulk in the new 'Avengers' movie, actor Mark Ruffalo says his battle against fracking is about 'fighting for the common good.'"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/blogs/the-hulk-gets-angry-at-hydraulic-fracturing>