Keynote speaks and general co-chairs (from left): Ghassem Asrar, Director of the World Climate Research Programme, Volker Liebig, ESA’s Director of Earth Observation Programmes, Johann-Dietrich Wörner, Chairman of the Executive Board of DLR; co-chairs Yves-Louis Desnos, ESA’s Head of Research and Development Section and Senior Advisor Science, Applications and Future Technologies Department, and Alberto Moreira, Director of the DLR Microwaves and Radar Institute.