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City CAZ charges to fund school pollution schemes

Vegetable oil to power new buses

Clean air campaigners issue 'death certificates'

Hypocrisy accusation over zero emission zone

Air filters for London's polluted schools - mayor

Some villagers 'relieved' over new road approval

Borough council says area's air quality is improving

Council to deter wood burning after Defra funding

Northern line found to have highest dust levels

'Controversial' traffic restriction is 'called in'

Food bank buys new van after 32 clean air fines

Motorists pay £2.4m in Clean Air Zone's first year

Demo held to protest against Ulez expansion

Pollution zones to be removed as air improves

Protest held outside council offices over toxic air

Purifier installed to improve station's air quality

High Court action over girl's air pollution death

Council funds campaign against wood burning

Clean air zones revoked after reduced pollution

Air-cleaning road sweeper fleet takes to streets

Council draws up plan to block clean air zone

City's clean air zone raises £26m in first year

Doctor calls for car idling measures to go further