ESSIC hosted the 30th session of The Joint Scientific Committee for the World Climate Research Programme (jointly sponsored by World Meteorological Organization, International Council for Science and the Intergovernmental Oceanographic Commission of UNESCO), April 6-9, 2009. Scientific guidance for the WCRP is provided by the Joint Scientific Committee, chaired by Antonio Busalacchi, AOSC and ESSIC, and consisting of 18 scientists selected by mutual agreement between the three sponsoring organizations and representing climate-related disciplines in atmospheric, oceanic, hydrological and cryospheric sciences. The 3-day session included 80 participants representing Switzerland, India, Australia, United Kingdom, Russian Federation, The Netherlands, France, Germany, Ghana, Canada, Japan, Italy, Sweden, Argentina, Brazil, China, Norway, and the USA. A keynote speaker was Mary Glackin, 1982 B.S. Computer Science, Deputy Under Secretary of Commerce for Oceans and Atmosphere at NOAA.