UK air pollution

ULEZ cut London emissions by 46% - City Hall data

Home Counties rebel against mayor's ULEZ expansion

Camera thefts affect city Clean Air Zone data

Study links London dirty air and teen blood pressure

Polluting cars could ramp up pay-and-display fees

Clean air zone will 'rid city of dirty vehicles'

London emission zone extension 'extremely unfair'

More evidence requested over Clean Air Zone plan

Pressure grows over low emissions zone expansion

City's Clean Air Zone charges come into force

'The people around here are not being considered'

Council makes £2m fining drivers in four months

Tree cutting could help air quality, council says

Fears as emissions zone expands to London boundary

City developing anti-car reputation - councillor

Mayor issues high air-pollution alert for London

Hundreds of blossom trees to be planted in city. Video, 00:01:15Hundreds of blossom trees to be planted in city

Taxi drivers say clean air zone 'makes no sense'

Air pollution hotspot plan set to be revoked

Car ban outside city schools set to be expanded

Clean Air Zone charge 'not a tax-raising scheme'

CBE for pollution campaigner whose daughter died

Clean Air Zone generates almost £2m