What happened here?
Mitt Romney, 2007: “I think the risks of climate change are real, and that you’re seeing climate change, and I think human activity is contributing to it”.
Mitt Romney, 2011: “We don’t know what’s causing climate change”.
If the politics of climate change in the US interest you – a documentary recently produced by The Public Broadcasting Service is a must-watch.
The PBS team speak to politicians, scientists and activists on both sides of the debate, including Katharine Hayhoe, who we interviewed earlier this year.
Have a watch and make up your own mind – but there can be no doubt that attempts to discredit the science behind global warming and make this a toxic issue for many politicians in the US have been very successful.