It’s not a requirement to eat animals, we just choose to do it, so it becomes a moral choice and one that is having a huge impact on the planet, using up resources and destroying the biosphere.

It's important for me to have hope because that's my job as a parent, to have hope, for my kids, that we're not going to leave them in a world that's in shambles, that's a chaotic place, that's a dangerous place.

You can have a strong economy or you can help the environment, but you can't do both at the same time. That's ridiculous. In fact, as a sustainable vision for a healthy economy has to involve changing our energy policy and changing with respect to the natural world. Because we're hitting nature's thresholds, we're hitting nature's limits with respect to water and crop yields and energy use and fossil fuels heating the atmosphere at the same time we're past global peak and running out of that.

I love short trips to New York; to me it is the finest three-day town on earth.

I set my goals way higher than the achievable. And when I fail, I fail at a very high level. That's my process. It's really demented, but it actually works. When you are aiming really high and doing something new, you must be also prepared to fail, learn from your mistakes and begin with a new plan. More motivated than before.

The universe is like a giant bank vault lock, where the tumblers are constantly moving and once in a while the tumblers line up and you have to listen for the click. So you must be prepared in that moment to step through the door.

The snake kills by squeezing very slowly. This is how the civilized world slowly, slowly pushes into the forest and takes away the world that used to be.