General discussion: Sources, sinks and mitigation methods; evaluation of health impacts.
M Rami AlfarraWilliam J BlossChak ChanYing ChenShahzad GaniYiqun HanRoy M HarrisonM Anwar H KhanSaewung KimJames LeeChristian PfrangUlrich PöschlZongbo ShiPeter StyringDominik van PinxterenTimothy J WallingtonTong ZhuPublished in: Faraday discussions (2021)