Anthony Mansell is director of policy and research at Climate Advisers, where he focuses on international climate policy, the role of carbon markets, and aviation. He previously was at the Center for Climate and Energy Solutions (C2ES), a leading environmental think tank. At C2ES, he specialized in international carbon markets and climate finance. He also supported climate negotiators during Paris Agreement talkss. From 2011 to 2014, Mansell was deputy director of the International Emissions Trading Association, representing over 150 companies to promote the use of carbon markets to reduce emissions cost efficiently. At IETA, he worked on California’s cap-and-trade program, forestry and land-use, and aviation, and edited IETA’s Greenhouse Gas Market Report.