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/51744" allowfullscreen></iframe> Chris Horner, author of the Politically Incorrect Guide to Global Warming and Environmentalism, says global temperatures have been cooling in recent years.
