London's smog used to be as toxic as the air in cities like Delhi, Beijing and Jakarta today – but not anymore. How did that happen, and can polluted Asian cities learn from Victorian London?

Author: Ajit Niranjan
Video Editor: Henning Goll
Editor: Grit Hofmann

READ MORE:

Global loss of life expectancy from air pollution https://academic.oup.com/cardiovascre...

Types of outdoor air pollution https://www.who.int/news-room/fact-sh...

The relation between economic growth and air pollution https://www.sciencedirect.com/science...

Air pollution in Europe https://www.eea.europa.eu/publication...

Air pollution in Beijing https://www.unenvironment.org/resourc...

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