A vegetarian driving a Hummer emits less carbon than a meat eater on a bicycle.

A vegetarian driving a Hummer emits less carbon than a meat eater on a bicycle.

At the end of the century, humans will look back at our impact on the planet and World War II will be a footnote compared to us presiding over the largest loss of biodiversity since a meteor hit the planet sixty-five million years ago.

Half of all species on Earth could disappear by the end of the century because of our collective impact.

Yes, we need to change, but simple changes can have profound impacts.

I want to do the most subversive thing I couldn't do as a child: I want to take back the planet's future.

If you can reach just 10 percent of the population, you can begin to reach a tipping point; that's where true social movements take place - it's a numbers game. And when you reach that number, the truth becomes obvious and empires of injustice crumble and fall.