You don't get fewer followers saying outrageous stuff on Twitter.

The dirty energy crowd can be offset only by the power of the rising clean energy sector and the American people, aroused across party lines.

Come, then, let us go forward together with our united strength - and win a better future for generations to come.

We pull out of the ground death, we burn death in our power plants, and then we act shocked when we get death in the form of oil spills and global warming.

Though the rampant racial injustices throughout the criminal justice system were offensive to me and to millions of other people, I've never drawn a tight circle around the black community to define the limits of my moral concern. But that narrative tends to get imposed on you, if you're an African-American activist.

Dirty energy is a finite resource; the more of it we use, the scarcer it becomes.

America cannot be America in the new century until it deals with these new questions of gender, including the trans issues, and the questions around faith and Islam.