File: Decision Maker's Toolbox: The Annual Greenhouse Gas Index

(3 minutes, 18 seconds)  Climate.gov's Ned Gardiner and atmospheric scientist Jim Butler summarize NOAA's Annual Greenhouse Gas Index, and use animated graphics to explain how different gases, including methane, CFCs, and of course, carbon dioxide, have changed in recent decades. Produced by Ned Gardiner, Kurt Mann, Alicia Albee, and Bruce Sales.