PNASLess NO x emission reductions are a potential cause for low effectiveness of sulfate aerosol reductions in ChinaZhe SongHuan XiNingning YaoLang ChenZhengnan CenPengfei LiDaniel RosenfeldShaocai Yu2026-01-12Full textDOI https://doi.org/10.1073/pnas.2523101123