The Paris Agreement recognizes cities as relevant territorial entities in the mitigation and adaptation to climate change, since they play a fundamental role in the transition towards sustainable energy models. This congress will explore the roll of cities to meet the Paris Agreement and the Sustainable Developments Goals by exploring a large variety of topics including: Air quality, Sustainable Energy Systems, Resilient Infrastructure, Sustainable consumption and the experiences and challenges of Colombian Cities, among other topics of interest. The event will be held in SPANISH AND ENGLISH.