Local companies don't have to internalize their costs, and few actually do, but they tend to more often because the owners live there and they have to show their face in town, and their kids play with other kids.

What we already know frames what we see, and what we see frames what we understand.

If, as is natural, you focus on the corruption and on those threatened institutions that are trying to prevent change - even though they don't really know what they're trying to prevent - then you can get pessimistic.

The promise of business is to increase the general well-being of humankind through service, a creative invention and ethical philosophy.

Interestingly, the oil companies know very well that in less than 30 years they will not only be charging very high prices, but that they will be uncompetitive with renewables.

We are speeding up our lives and working harder in a futile attempt to buy the time to slow down and enjoy it.

When asked if I am pessimistic or optimistic about the future, my answer is always the same: If you look at the science about what is happening on earth and aren’t pessimistic, you don’t understand data. But if you meet the people who are working to restore this earth and the lives of the poor, and you aren’t optimistic, you haven’t got a pulse.