What would you do if your job was to save the planet? When Christiana Figueres was tapped by the UN to lead the Paris climate conference (COP 21) in December 2015, she reacted the way many people would: she thought it would be impossible to bring the leaders of 195 countries into agreement on how to slow climate change. Find out how she turned her skepticism into optimism — and helped the world achieve the most important climate agreement in history.

Why you should listen

Christiana Figueres has been the executive secretary of the UNFCCC since July 2010. She has directed five consecutive successful Conferences of the Parties, and is now charged with the intergovernmental process to deliver the 2015 Paris agreement on climate change.

Figueres has a long trajectory in the field of global climate change, having been a member of the Costa Rican negotiating team 1995- 2009, and having played a number of key roles in the governance of the UNFCCC before formally joining the secretariat. She initiated her life of public service as Minister Counselor at the Embassy of Costa Rica in Bonn, Germany in 1982. Moving to the USA, she was Director of Renewable Energy in the Americas (REIA) and in 1995 founded the nonprofit Center for Sustainable Development of the Americas (CSDA) which she directed for eight years. She designed and helped to establish national climate change programs throughout Latin America and served as high level advisor to both governments and private companies. In 2001 she received the Hero for the Planet Award from National Geographic. This TedTalk was filmed in February, 2016.