"For far-sighted companies, the environment may turn out to be the biggest opportunity for enterprise and innovation the industrial world has ever seen." -- The Economist

"San Francisco holds itself accountable for its contributions to global warming and is committed to dramatically reducing overall greenhouse gas emissions to 20 percent below 1990 levels by 2012…The good news is that we can reduce the pollution that causes global warming by using currently available technologies that can also enhance economic development." -- Mayor Gavin Newsom

"I say the debate is over. We know the science, we see the threat and we know the time for action is now." -- Governor Arnold Schwarzenegger