Together with collaborators from Germany and USA, we are organising a special issue in Environment and Planning B: Urban Analytics and City Science, on the topic of Urban AI for a Sustainable Built Environment. Here is the summary of the call for papers: Recently, Urban AI has become an emerging field that combines AI, spatial computing, and urban science to address complex challenges. This special issue aims to promote the development of urban AI with multimodal geospatial data collected fro...