How to convince your friends to believe in climate change. It’s not as hard as you think.

http://www.washingtonpost.com/national/health-science/how-to-convince-your-friends-to-believe-in-climate-change-its-not-as-hard-as-you-think/2014/02/03/3a9a1fa8-8828-11e3-916e-e01534b1e132_story.html