Science Direct.  www.sciencedirect.com  SD is a compendium of academic and similar articles on all types of science research and applications.  Trying to find relevant articles on cities and climate might be best achieved by using Google Search using the terms “sciencedirect.com”, “cities”, and “climate”.  One useful sounding article found at SD is “ Technical Pathways to Deep Decarbonization in Cities: Eight Best Practice Case Studies of Transformational Climate Mitigation”.