Blue sky thinking: 5 things to know about air pollution

Around 90 per cent of people go through their daily lives breathing harmful polluted air, which has been described by the United Nations as the most important health issue of our time. To mark the first International Day of Clean Air for blue skies, on 7 September, UN News explains how bad it is and what is being done to tackle it.

Read the full story, “Blue sky thinking: 5 things to know about air pollution”, on globalissues.org →