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Air pollution 'never measured' in hotspot

Russian glitch voids 5m traffic tickets

Air pollution early deaths rise in EU

City roads could shut during school run

How a food crisis led to Delhi’s foul smog

France proposes traffic toll in cities

Bryan Adams photo shows Delhi gig pollution

The Inquiry. Can Delhi Clean Up Its Air? Audio, 23 minutesThe Inquiry

Bus firm counts cost of low emission zone

The city with the world's worst traffic. World Business Report. Audio, 00:05:19The city with the world's worst traffic

M4 junction closure 'can't be ruled out'

UK's first air-cleaning bus launched

MOT diesel test failure may spark legal bid

No MOT diesel test run in NI for 12 years

Plastic pollution 'in animal food chain' Video, 00:01:18Plastic pollution 'in animal food chain'

Air pollution 'linked to dementia'

Trial to cut capital lorry numbers

Nine streets in 'ultra-low emission' scheme

New 'pollution' death inquest urged

Air pollution 'harms mental performance'

Pollution 'harms cognitive intelligence' Newsday. Audio, 00:01:20Pollution 'harms cognitive intelligence'

'I feel throat pain after jogging' Video, 00:01:41'I feel throat pain after jogging'

Babies in prams 'face more pollution'