'Goals' and 'caps' on carbon emissions are practically worthless, if coal emissions continue, because of the exceedingly long lifetime of carbon dioxide in the air.

We're running out of time.

Imagine a giant asteroid on a direct collision course with Earth. That is the equivalent of what we face now with climate change, yet we dither.

We are on the precipice of climate system tipping points beyond which there is no redemption.

It would be immoral to leave young people with a climate system spiraling out of control.

Global warming has already triggered a sea level rise that could reach from 6 metres (19.69 ft) to 25 metres (27.34 yards).

What we are doing to the future of our children, and the other species on the planet, is a clear moral issue.

How long have we got? We have to stabilize emissions of carbon dioxide within a decade, or temperatures will warm by more than one degree... We don't have much time left.

What has become clear from the science is that we cannot burn all of the fossil fuels without creating a very different planet.

It's as certain that as long as fossil fuels are the cheapest energy, we will just keep burning them.

We have at most ten years—not ten years to decide upon action, but ten years to alter fundamentally the trajectory of global greenhouse emissions.

What is love when it's not for dopamine?

No one has a monopoly on truth, and science continues to advance. Yesterday's heresies may be tomorrow's conventional wisdom.

I still love the whole history of jazz. The old things sound better than ever.

Sometimes there's a disjoint between what works on the page and what works with visual story telling.

In most books, the I, of first person, is omitted; in this it will be retained; that, in respect to egotism, is the main difference.

It's good advice, but I expect it will be hard to follow; good advice is apt to be, I think.

We all know about the car breaking down on a deserted road scenario. That's cliché. I'm thinking more of Cider with Rosie, as in, the dark side.

That very aggressive, unapologetic leadership style is needed in Washington, D.C., and I'm not afraid to tackle big issues.

I've learned ruthless concentration. I can write under any circumstances...street noises, loud talk, music, you name it.

The further I get away from coaching, the more I know I made the right decision. You almost forget how wonderful family life is.