“Well, I don’t believe that climate change is just an issue that’s convenient to bring up during a campaign. I believe it’s one of the greatest moral challenges of our generation. That’s why I’ve fought successfully in the Senate to increase our investment in renewable fuels. That’s why I reached across the aisle to come up with a plan to raise our fuel standards… And I didn’t just give a speech about it in front of some environmental audience in California. I went to Detroit, I stood in front of a group of automakers, and I told them that when I am president, there will be no more excuses — we will help them retool their factories, but they will have to make cars that use less oil.”

Is this change you can believe in?