Ozone and climate are global issues, and it's hard to find a way in which the benefits of shutting down carbon emissions are going to pay for themselves for any given power-plant, say.

Agriculture is the #1 source of deforestation. By some estimates it accounts for 80% of the forests chopped down in the tropics.

I decided five years ago that I wanted to truly understand, for myself, what the state of the planet was, and when I dug into it, what I found was quite different than I'd imagined.

That, to me, is a kind of brilliant environmental ju-jitsu - using the energy of the market and the profit-motive to get businesses to invest in preserving and improving natural systems.

When you're managing a large number of people, you learn that incentives matter tremendously. You really want people to be rewarded for doing the right thing for the customers and the organization.

Often an idea has impact far larger than the person who originated it.

New technology lets you grow the resource pie, which is the only way you can get out between that pincer of rising consumption (as we end poverty) and environmental and natural resource depletion.

Often we need to use policy to level the playing field, or to be sure that a technology is managed in a responsible way.

I think the environmental movement is now so large and diverse that it's hard to talk of it as a single entity.

By focusing on teaching businesses about the ROI they can achieve by preserving and investing in nature, you're expanding the scope of the impact you can have.

TNC was once limited by the resources it could directly marshal to buy land. But teaching people a new idea is incredibly more scalable.

When old age knocks, even a mighty lion resort to eating frogs.

It is impossible to think big without thinking complex.

And she did what nobody thought of doing... she consulted Anne.

The first condition of understanding a foreign country is to smell it.

Thank God I never got in a fight. All of the jock dudes hated me, but all of their girlfriends thought I was nice so they wouldn't touch me. It was infuriating to them.

You may not be able to change the course of government, but you can achieve some peace. And books were the path to that. I grew up in a house where books were everywhere.

When one individual comes into intimate contact with another, she—or he, of course, as the case may be—must almost inevitably receive or inflict suffering.

Philosophers of biology generally recognize that evolutionary fitness (roughly, an organism's ability to survive and reproduce in its environment) is multiply realizable.

The abundance, the solidity, and the splendor of the results already achieved by science are well fitted to inspire us with a cheerful confidence in the soundness of its method.

In 2056, I think you'll be able to buy T-shirts on which are printed equations describing the unified laws of our universe.