Jail threats did not dissuade Martin Luther King - and intergenerational justice is a moral issue of comparable magnitude to civil rights.

Until the public demands otherwise, the policy makers will continue to serve their financiers.

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

The United States did not sign Kyoto, yet its emissions are not that different from the countries that did sign it.

For people like me, books are something solid and real, whereas digital stuff is a bit more ethereal. I like the trophy on my shelf, the presence in my home. A nice book is just as valuable as a decoration as a beautiful porcelain urn - and, let's face it, a hell of a lot more useful.

The Internet frees people to realize they don't have to live like slaves.

When I joined Google, they asked me what title I wanted. I said, 'What about archduke?' They said, 'Well, that didn't meet our nomenclature. Why don't you be our Chief Internet Evangelist?' This was in 2005.

I don't have any of the modern electronics at all. I know the Internet would be a distraction. I would see things that interested me and never get back to writing.