Though Mitt Romney said last summer he thought global warming was real and that human activity contributed to it, he was recorded on video at a campaign event changing his position for a conservative audience.
Said Romney: “My view is that we don’t know what’s causing climate change on this planet. And the idea of spending trillions and trillions of dollars to try to reduce CO2 emissions is not the right course for us.”
Here’s the video via Think Progress: