"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."

"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."

"If you are interested enough in the climate crisis to read this post, you probably know that 2 degrees Centigrade of warming (or 3.6 degrees Fahrenheit) is the widely acknowledged threshold for "dangerous" climate change."

"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."

"It is a subtle truth that to love deeply is to give someone the power to heal what words cannot reach."

"Scar tissue is stronger than regular tissue. Realize the strength, move on."

"My greatest strength as a consultant is to be ignorant and ask a few questions."

"Our firm conviction that ours is a just cause and that we must find a peaceful way to attain our goals gave us the strength and the awareness of the limits beyond which we must not go."