Alexis Drogoul, IRD Representative in Vietnam and 3 researchers, Benoit Gaudou, Emilie Strady (MIO) and Xavier Mari (MIO), took part on 14 January 2020 in a meeting co-organised by the Vietnamese Ministry of Foreign Affairs and the French Embassy in Vietnam on the theme of environmental protection. The meeting was one of the first events of 2020, IRD's 25th anniversary in Vietnam, and provided an opportunity to showcase the Institute's key role in developing innovative research in Vietnam on plastic pollution and air pollution in major cities. The model of the HoanKiemAir project and the exhibition on BlackCarbon (Xavier Mari) were presented to the Ministry on this occasion.