We know that he has stored secret supplies of biological and chemical weapons throughout his country.

Global warming is real and human activity is the main cause. The consequences are mainly negative and headed toward catastrophic, unless we act. However, the good news is that we can meet this challenge. It is not too late, and we have everything we need to get started.

The physical relationship between CO2 molecules and the atmosphere and the trapping of heat is as well-established as gravity, for God's sakes. It's not some mystery.

I am old enough to know that a red carpet is just a rug.

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.

The task of saving the earth's environment must and will become the central organizing principle of the post-Cold War world.

Earlier in this century, the Heisenberg Principle established that the very act of observing a natural phenomenon can change what is being observed. Although the initial theory was limited in practice to special cases in subatomic physics, the philosophical implications were and are staggering.