To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/140361" allowfullscreen></iframe> Secretary of State John Kerry said Saturday that climate change was a contributing factor in the Syrian civil war, alluding to a study last spring that linked drought-driven urbanization to the conflict that began in 2011.