Global heatwaves: A scoping review on the trend, characteristics, impacts on air pollution and health - Liheng Shan; Ning Wang; Fengkui Duan; Sujian Zhang; Lei Duan; Qinqin Zhang; Lidan Zhu; Shuxiao Wang; Jingkun Jiang; Yongliang Ma; Kebin He (Environmental Research, 2025)