From Nov. 29 to Dec. 10，2010, the 16th Conference of the Parties (COP16) of the United Nations Framework Convention on Climate Change (UNFCCC), the 6th Conference of the Parties to the Kyoto Protocol (CMP6), and the 33rd sessions of both the Subsidiary Body for Implementation (SBI) and the Subsidiary Body for Scientific and Technological Advice (SBSTA) were held in Cancun, Mexico. During these events, MOST prepared detailed and extensive publicity materials, including Better Science and Technology, Better World Expo; Clean Energy Technology in Development; Carbon Capture, Utilization, and Storage in China; Fuel Cell Vehicles; South-South Collaboration on Science and Technology for Sustainable Development; MOST-UNEP Projects on Environment Technology in Africa; and Applicable Technology Manual of South-South Cooperation on Science and Technology to Address Climate Change. MOST also distributed fine postcards, bookmarks and CDs which were extremely popular among visitors. Representatives from different countries, international organizations, research institutes, NGOs, and journalists were very interested in getting to know China’s accomplishments in addressing climate change through science and technology, and the cooperation with other countries in climate change and clean energy. Some publicity documents were translated into French and Spanish. During the exhibition session, a video clip titled “Science and Technology for World Expo: Energy Conservation and Emissions Reduction” was also broadcast by the Chinese delegation.