Client: NOAA Motion Graphics/Animation History of CO2 Monitoring Presented at: COP-15 United Nations Climate Change Conference Copenhagen, Denmark Dec 7 - Dec 18, 2009 Related Links: NOAA Cop-15 website State Department COP-15 website Official COP-15 website Impact: The U.S. Center provided live webcast and direct access to the conference for people who would never have had a chance of taking part in COP-15 from 4 continents. By the end of the conference, live webcasts will have been broadcasted 100 interactive COP-15 programs, connecting with an estimated 18,000 participants worldwide. Already, more than 10,800 participants from around the world have joined to watch the live stream from the U.S. Center, leave comments, and engage in Q&A sessions with experts on the ground in Copenhagen. A leading US social media twitter participant in Prague recently re-tweeted the U.S. Center news and links to COP15 in over 6,000 messages, acquiring 66,000+ followers on the first day of COP-15.