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://mrctv.org/embed/142821" allowfullscreen></iframe> Responsive Embed Code Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://mrctv.org/embed/142821" allowfullscreen></iframe> EPA Chief: Climate Change Is Certain But You Can't Predict the Future See More at: http://cnsnews.com/news/article/penny-starr/epa-chief-climate-change-certain-you-cant-predict-future