Clean air challenge for major Asian cities
Air pollution threat to health
Hundreds of millions of city dwellers breathe air so polluted with chemicals, smoke and particles that it dramatically exceeds World Health Organization limits with major impacts on health and the environment.
A major study on the state of air pollution in 20 of Asia's key cities shows that while there have been improvements in achieving better air quality, air pollution still poses a threat to health and quality of life of many people.
The study led by the Stockholm Environment Institute's (SEI) centre at the University of York (UK) and the Clean Air Initiative for Asia Cities (CAI-Asia) is being published as Asian Environment Ministers hold the first governmental meeting on urban air quality in Asia on 13