Donald Trump once backed urgent climate action. Wait, what?

http://grist.org/politics/donald-trump-climate-action-new-york-times/?utm_medium=email&utm_campaign=sailthru-post-notifications&utm_source=notification&utm_term=u%28Donald%20Trump%20once%20backed%20urgent%20climate%20action.%20Wait%2C%20what?%29