Shocking, I know.
The former Massachusetts governor had been one of the few Republican presidential candidates to embrace the scientific consensus that human activity contributes to climate change. But in a speech in Pittsburgh on Thursday, he sounded like more of a skeptic.
“My view is that we don’t know what’s causing climate change on this planet,” Romney said in the speech, a clip of which was posted by the liberal blog Think Progress.
Here's the Think Progress post.