[T]he scientific enterprise will never be completely free of mistakes. What is important is that the overwhelming consensus on global warming remains unchanged.

We're operating this planet like a business in liquidation.

Eventually we'll use a CO2 tax offset by a reduction in taxes elsewhere alongside a cap-and-trade plan, but the degree of difficulty associated with a CO2 tax far exceeds that with a cap-and-trade plan. We're seeing it's hard to get a cap-and-trade plan and it's much easier to use as a basis for a global agreement than a CO2 tax.

Adopting a central organizing principle means embarking on an all-out effort to use every policy and program, every law and institution, to halt the destruction of the environment.

Throughout most of my life, I raised tobacco. I want you to know that my own hands, all of my life, I put in the plant beds and transferred it! I hoed it! I've dug in it! I've sprayed it! I've chopped it! I've shredded it, spiked it, put it in the barn and stripped it and sold it!

When you're going through an emotional experience and you're focussed completely on what's happening, you can't even spare any attention that the camera's there.

Winston Churchill aroused this nation in heroic fashion to save civilisation in World War Two. We have everything we need except political will, but political will is a renewable resource.