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/1546" allowfullscreen></iframe> Responsive Embed Code Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/1546" allowfullscreen></iframe> Exploring the newly opened "Doomsday Vault," Jim Sciutto of ABC's "Good Morning America" ranked global warming with nuclear war as disasters for which we will need this "Noah's ark for the future."