Americans don't pay much attention to environmental issues, because they aren't sexy. I mean, cleaning up coal plants and reining in outlaw frackers is hugely important work, but it doesn't get anybody's pulse racing.

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.

Bloomberg's $50 million is not going to revolutionize the electric power industry. But his willingness to fight is already inspiring others to see Big Coal differently.

Ethanol doesn't burn cleaner than gasoline, nor is it cheaper.

This Dewdrop World is a beautiful, courageous, intimate film about love and loss. It may also be the deepest meditation on climate change that I've ever seen.

In the United States, we do a pretty good job of protecting iconic landscapes and postcard views, but the ocean gets no respect.