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/2833" allowfullscreen></iframe> Responsive Embed Code Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/2833" allowfullscreen></iframe> ABC “World News Saturday” covers the “Step It Up” national climate rallies on April 14, 2007 which called for a mandatory 80 percent reduction in carbon emissions, but ABC did not ask what that would cost taxpayers or businesses.