| Title | Where is the world's most polluted city? |
| Publication Type | Newspaper Article |
| Authors | Mathiesen, Karl |
| ISSN | 0261-3077 |
| Abstract | Outdoor air pollution kills 3.3 million people, mostly in cities, every year. That’s more than HIV, malaria and influenza combined – yet the sparse coverage of official data means many cities are not even monitored |
| URL | http://www.theguardian.com/cities/2015/dec/02/where-world-most-polluted-city-air-pollution |