The right to sustainable city requires, for its realization, a participatory urban management in the face of climate change. Climate change and its effects are questioning the scientific rationality and its metaphysical, ontological and epistemological sources that are at the root of the environmental crisis. It became a global problem to be faced by contemporary society that requires the mobilization of different social actors. The importance of prevention and treatment of the effects from climate change, globally and nationally, directs this work to analyze its implications in the context of cities, that incorporate greenhouse gases emissions mitigating strategies and adaptation strategies to impacts resulting from this problem. Once understanding climate change and its effects as barriers to preserving the quality of life for present and future generations, and the important role of cities in this process, it´s necessary a legal reading of the city, in the light of the Federal Constitution, which considers the democratic urban management fundamental to achieving the right to sustainable city.