Hong Kong ranks among the world’s largest data centre hubs but has a carbon footprint exceeding the global average, according to a global think tank study, which calls for a responsible strategy to tackle the “unintended impacts” of using artificial intelligence (AI). The June report by the United Nations University Institute for Water, Environment and Health also quantified not only carbon but water and land footprints of electricity arising from the use of AI. The report is a call for using AI