Nature CommunicationsIncreased spread of global flash droughts threatens vegetation productivity resilienceRenjie GuoXiuchen WuPei WangTiexi ChenXin ChenJiangtao CaiXiaona WangZifan ZhangZekai MengYiran Liu2026-03-17Full textDOI https://doi.org/10.1038/s41467-026-70417-z