New Delhi's air pollution is more severe than previously estimated with particles absorbing atmospheric water vapor leading to particulate matter levels across the city being underestimated by up to ...

WHO data show that almost all of the global population (99%) breathe air that exceeds WHO guideline limits and contains high ...

Efforts to combat urban air pollution are being led by New Delhi, now taking the bold step of banning petrol cars more than 15 years old from refuelling. Could such strict policies become a model for ...