The Internet empowers individuals to play a more active role in the political process, as Obama's campaign has manifested.

Of all the works of civilization that interfere with the natural water distribution system, irrigation has been by far the most pervasive and powerful.

The Bush-Cheney administration had betrayed some basic American values. So there was hunger for change.

We need to put a price on carbon, and that's what cap-and-trade does and that's also what a CO2 tax does. As long as our current valuation in the marketplace tells us every minute of every day that it's perfectly all right to dump 90 million tons of global warming into the thin atmosphere surrounding the planet every 24 hours as if that atmosphere is an open sewer, then the individual actions are not going to solve the problem.

I'm not a psychologist, and I don't know how to play a more sophisticated role than the one that I have played for quite a few years, and that is spending a lot of time with these hard-working scientists in the various fields of expertise that relate to the climate crisis, learning as fully as I can the truths they are discovering, asking them to explain it in language that's simple enough for me to understand and then use that language to convey the essence of it, and then letting the chips fall where they may.

Fake news has been around as long as news has been around.

Two thousand scientists, in a hundred countries, engaged in the most elaborate, well organized scientific collaboration in the history of humankind, have produced long-since a consensus that we will face a string of terrible catastrophes unless we act to prepare ourselves and deal with the underlying causes of global warming.