The effects of climate change are readily apparent in ASEAN as witnessed by the increasing number of extreme weather events, temperatures fluctuation and sea level rise. ASEAN cities are at a particular risk as many of them are located along coasts and river deltas. With half of ASEAN’s population already living in cities, ASEAN city governments are taking a proactive approach to counter this threat through programs that aim to mitigate and adapt to the effects of climate change.