I'm not trying to top anything. I'm trying to be useful, to play a positive role, to serve the public interest..

The scientists are virtually screaming from the rooftops now. The debate is over! There's no longer any debate in the scientific community about this….

You need to really scrub your investment portfolios, because I guarantee you, many of you are going to find them chock-full of subprime carbon assets..

you can't be value free when it comes to marriage.

We can believe in the future and work to achieve it and preserve it, or we can whirl blindly on, behaving as if one day there will be no children to ….

Someone who expresses a view that is contrary to the view of the overwhelming majority should be allowed to stand undisturbed as a monument to our co….

The very first words that we, the American nation, spoke were right here in Philadelphia. You know those words: "We the people." It wasn't, "We the c….

There's such a wide variation in tax systems around the world, it's difficult to imagine a harmonized CO2 tax that every country agrees to. That's no….

The oil industry has outpaced the building of a public consensus of the implications of climate science..

In a time of social fragmentation, vulgarity becomes a way of life. To be shocking becomes more important - and often more profitable - than to be ci….

In digital era, privacy must be a priority. Is it just me, or is secret blanket surveillance obscenely outrageous?.

I have always been fascinated with those who try to look over the horizon and see things that are coming at us..

The cumulative amount of man-made global pollution that's in the atmosphere now traps as much extra heat energy every day as would be released by 400….

You can say the Earth is flat, but it doesn't mean you're going to fall off the edge..

A leapord never changes his stripes..

We face a climate crisis now that is the most serious challenge our civilization has ever confronted. And the greatest country in the world [America]….

Junkies find veins in their toes when the veins in their arms collapse. Developing tars sands is the equivalent..

David Agus is one of America's great doctors and medical researchers, a man dedicated to improving the health of as many people as he can. Written in….

The truth is that we're at a critical juncture in the history of our species and if we don't act soon, we could inhabit a world we don't recognize an….

The interior of the earth is extremely hot – several million degrees..

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 cam….