For years, Republicans cast doubt on whether climate change was even occurring. Now, some Republicans acknowledge human-caused climate change, even while disagreeing on how to combat it. Read more: wapo.st/2WDwrWA. Subscribe to The Washington Post on YouTube: wapo.st/2QOdcqK Follow us: Twitter: twitter.com/washingtonpost Instagram: www.instagram.com/washingtonpost/ Facebook: www.facebook.com/washingtonpost/