A breath of fresh air: solving Ulaanbaatar's pollution issues — in photos
Nature, Published online: 19 March 2026; doi:10.1038/d41586-026-00712-8Mongolia’s capital is among the world’s most toxic cities. One aspirational ex-physicist is clearing the air.

Source: www.nature.com
Nature, Published online: 19 March 2026; doi:10.1038/d41586-026-00712-8Mongolia’s capital is among the world’s most toxic cities. One aspirational ex-physicist is clearing the air.