"Asked about global warming at a town hall meeting in Lebanon, NH, Romney said he believed the world is getting hotter and humans contribute in some way to the change- but could not judge to what extent. "Do I think the world's getting hotter? Yeah, I don't know that but I think that it is," he said. "I don't know if it's mostly caused by humans." "What I'm not willing to do is spend trillions of dollars on something I don't know the answer to." In June..... Romney caused a stir by saying he thought humans had contributed to climate change to some extent. At that time he made a call for a reduction of "Emissions of pollutants and greenhouse gases that might be significant contributors" to climate change...