Take it from me, every vote counts.

The wind and the sun are free.

The conversation on global warming has been stalled because a shrinking group of denialists fly into a rage when it's mentioned.

Making consumer choices that reward eco-friendly products and companies is a great way to start.

George Bush taking credit for the wall coming down is like the rooster taking credit for the sun rising.

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 commitment to free speech.

I am Al Gore, and I used to be the next president of the United States of America.