There is a natural greenhouse effect that contributes to warming. Greenhouse gases trap heat and thus warm the Earth because they prevent a significant portion of infrared radiation from escaping into space.

People say, 'How can I help on this war against terror? How can I fight evil?' You can do so by mentoring a child; by going into a shut-in's house and say I love you.

Our Nation's founding commitment is still our deepest commitment: In our world, and here at home, we will extend the frontiers of freedom.

Iraq is a very important part of securing the homeland, and its a very important part of helping change the Middle East into a part of the world that will not serve as a threat to the civilized world, to people like - or to the developed world, to people like - in the United States.

If we don't stop extending our troops all around the world in nation-building missions, we're going to have a serious problem coming down the road.

So on behalf of a well-oiled unit of people who came together to serve something greater than themselves, congratulations.

I think you can grow your economy and at the same time do a better job of harnessing greenhouse gases. I don't think you can expect any American leader to wreck the economy, nor as an ally and a friend of America and a trading partner of America should you want us to wreck our economy.