Many of the green places and open spaces that need protecting most today are in our own neighborhoods. In too many places, the beauty of local vistas has been degraded by decades of ill-planned and ill-coordinated development.

I just think that a much more important part of the problem we face, which was evident 10 years ago and is even more evident now, is that the way we share information among ourselves as American citizens has been radically transformed. The line between news and entertainment has almost dissolved, where ratings now have a big impact on what kinds of stories are covered and not stories.

The United States is the only nation that can lead the world toward a solution on climate change.

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

You can push your local communities to adopt more sustainable sources of energy and environmentally-friendly practices.

I will tell you that what gives me a sense of joy is having work to do that justifies pouring every ounce of energy I have into it. That's really a blessing to have in your life. And it gives you energy back when you have the privilege of doing work that makes you feel that way.

Cigarette smoking is a significant contributor to global warming!