Just like you could dump oil into the Cuyahoga in the 60s and let someone else foot the bill, today you can pump CO2 into the atmosphere and let the whole world foot the bill.

We have climate change caused by greenhouse gas emissions, mostly from human power and transportation infrastructure. At the same time, we have 2 billion people who live in energy poverty.

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

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

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

If your incentives are set up wrong - if for some reason you reward people for behavior that's actually bad for your customers or your organization - then you're going to encourage that behavior.

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