Have we failed to slow global warming pollution in part because climate and environmental activists have been too polite and well behaved?

Mark Ruffalo aka the Incredible Hulk is the natural gas industry's worst nightmare: a serious committed activist who is determined to use his star power as a superhero in the hottest movie of the moment to draw attention the environmental and public health risks of fracking.

I'm a dad I'm a husband I'm an activist I'm a writer and I'm just a student of the world.

Maybe more climate activists will think about the climate change not as an international problem to be resolved in an air-conditioned meeting hall but as a guerilla war to be fought in the streets.

Activist government overreach and ongoing economic stagnation have shown us why Washington should not try to displace what is best left to civil society.

We start 'The Butler' in June and that's incredibly exciting for me because I get to work with the amazing Forest Whitaker again. It's a phenomenal script and a great great role - I play his son. Oprah Winfrey is his wife and my mother. My character is a radical civil rights activist.