[en] After the opening and closing speeches of the Minister of Ecology and the intervention of the Prime Minister, a first assessment of the Climate Plan is proposed. This assessment addresses issues related to awareness raising and to adaptation, to sustainable transports, to building and eco-habitat, to industry, to energy, to wastes, to sustainable agriculture and forests, to sustainable air-conditioning, to territorial Climate Plans and to the exemplary State, and to research, international action and prospective after 2010. Then, after a speech of the Minister of Ecology during a Mayor Congress on the Territorial Climate Plan, and a press communique on the Climate Rendezvous, contributions to this rendezvous are provided. For the first day, these contributions propose an assessment of Climate Plan implementation, presentations about the status of scientific knowledge, about climate evolution in France, about stakes and international negotiations to come, about a first assessment of the application of the Climate Plan in terms of emissions and projections. Workshops addressed road transports (clean vehicles and alternatives to road), renewable energy and energy management, territorial climate plans, buildings and energy efficiency (awareness raising, regulation, incentive), actors to develop a climate culture. The second day addressed strategy, stakes and actions for a climate policy. After an opening speech, round tables addressed orientations and actual solutions through the following topics: the factor 4 and new energy technologies, carbon finance and project mechanisms, air transport as a sector for after 2012. Another set of round tables addressed evolutions of our society: adaptation actions in front of consequences of climate change, ways to articulate climate policy and job dynamics