Air pollution drives 7pc of deaths in big Indian cities: study

More than seven per cent of all deaths in 10 of India’s biggest cities are linked to air pollution, a large study said on Thursday, leading researchers to call for action to save tens of thousands of lives a year.

Smog-filled Indian cities including the capital Delhi suffer from some of the world’s worst air pollution, choking the lungs of residents and posing a rising threat to health still being revealed by researchers.

For the new study, an Indian-led team looked at the levels...