We’re the first generation to feel the impact of climate change and the last generation that can do something about it.'

What is a fish without a river? What is a bird without a tree to nest in? What is an Endangered Species Act without any enforcement mechanism to ensure their habitat is protected? It is nothing.

We must start... rebuilding our cities around energy efficiency and human needs, rather than around the car and wasted energy.

I am not one for half measures or half-hearted efforts.

We had some major successes and we did so because the country embraced the spirit of Earth Day and embraced this concept that we have to have forward-looking, visionary environmental policy and energy policy in this country.

The need to help spread democracy and the ability to do that will be much greater if we break this addiction to oil, which gives the oil princes and sultans the power in the Mideast.

The fact is that we cannot drill our way to independence. We cannot drill our way to freedom, and we cannot drill our way to create jobs in this country.