You have to be able to generate usable energy without greenhouse gas emissions and you have to be able to do it cheaply if you want people to choose that approach.

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.

A child sees possibilities

We can assume that those who ‘have it all’ and express an arrogant and greedy attitude, appears to be unthankful.

You either learn to live with it or leave without it.

Every day my conscience makes confession relying on the hope of Your mercy as more to be trusted than its own innocence.

One does not need to lock up that which is not dangerous.

No other success [in life] can compensate for failure in the home.

Of Consciousness, her awful Mate. The Soul cannot be rid - as easy the secreting her behind the Eyes of God.

I am wise enough to know that there are some perils from which a man must flee.

Maybe dark matter is denser than we usually assume, kind of like the Milky Way plane.

My kids scotch tape worms to the sidewalk and watch the birds get hernias.