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/2864" allowfullscreen></iframe> NBC’s Tom Costello promoted carbon offsetting as part of “acting locally, to truly make a global difference” in the fight against global warming during “Nightly News” on February 3, 2007.
