The 2021 China report of the Lancet Countdown on health and climate change: seizing the window of opportunity. (December 2021) - Cai, Wenjia; Zhang, Chi; Zhang, Shihui; Ai, Siqi; Bai, Yuqi; Bao, Junzhe; Chen, Bin; Chang, Nan; Chen, Huiqi; Cheng, Liangliang; Cui, Xueqin; Dai, Hancheng; et al.