npj Urban SustainabilityCooling potential of global urban roof greeningHao BaiZhaowu YuShipeng NieMingyu LuoXiaomei HuJingfeng XiaoBaolin XueChi XuXiuzhi ChenLei FanShaopeng WangZhiyao TangWeiqi ZhouShuqing ZhaoShengli Tao2026-02-11Full textDOI https://doi.org/10.1038/s42949-026-00354-9