Whatever my current beliefs are, on any topic, they're all open to being changed by the right facts and the right evidence.

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.

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.

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.

All things fade and quickly turn to myth.

Your personal brand must exude who you are, what you stand for, specifies your target market, what value you intend to add to them and the unique offering through which you will do that.

I have yet to meet an English teacher who assigned a book to damage a kid.

Dollars cannot buy yesterday.

I'm an actor, not a star. Stars are people who live in Hollywood and have heart-shaped swimming pools.

If everybody who voted in 2008 shows up in 2010, we will win this election. We will win this election.

Despotism can only exist in darkness, and there are too many lights now in the political firmament to permit it to remain anywhere, as it has heretofore done, almost everywhere.

I began realizing that it wasn't important for me to concern myself with the perception of truth.

Christians often threaten atheists with eternal torture. But if we say that they're delusional, they will tell us that we're being rude.