npj Urban SustainabilityQuantifying blue-green space cooling thresholds in a subtropical water-network cityCheng HuangJinkui NingXinyi QiuZiwei LiuShebao YuYuxing ZhanShengke FuJie XiongLvshui Zhang2026-03-31Full textDOI https://doi.org/10.1038/s42949-026-00379-0