A president who breaks the law is a threat to the very structure of our government.

Americans have the right to have their medical decisions made by them and their doctors, and not by those bureaucrats sitting behind a computer screen hundreds of miles away.

A low voter turnout is an indication of fewer people going to the polls.

Today I challenge our nation to commit to producing 100 percent of our electricity from renewable energy and truly clean carbon-free sources within 10 years.

Of all the works of civilization that interfere with the natural water distribution system, irrigation has been by far the most pervasive and powerful.

You know, in physics there's the old law for every action there's a equal amount of reaction. Sometimes that's true in politics. If somebody's out there making nonsensical statements, but wielding power behind them a lot of people say, "Well, I need to react to that." I think that's happening.

The task of saving the earth's environment must and will become the central organizing principle of the post-Cold War world.