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Charity's playground air pollution warning

Millions raised from clean air zone to support buses

Walking, cycling to school more likely in Ulez - report

Solving the air-con conundrum. Video, 00:05:07Solving the air-con conundrum

Will flying ever be sustainable? Video, 00:06:09Will flying ever be sustainable?

The simple idea that could transform city life. Video, 00:05:29The simple idea that could transform city life

What if everyone in the world planted a tree? Video, 00:02:48What if everyone in the world planted a tree?

Builders 'encouraged' to add electric car hire schemes

Controversial road would 'destroy' bat population

The Documentary Podcast. Solutions Journalism: The art of air pollution. Audio, 23 minutesThe Documentary Podcast

'Smoggies' label is outdated - councillor

'We're moving out of city because of air pollution'

Pollution 'lower outside Clean Air Zone than in it'

Ella Adoo-Kissi-Debrah: Mother wants apology

How data is helping elite athletes beat the smog

Guernsey needs 'systemic changes' to go net zero

New sensor to measure pollen count in real time

City's pollution lower than UK average - council

Clean air zones: What is the money raised spent on?

Drivers owe £2.6m in clean air fines - council

Clean air charge cuts high-polluting vehicle numbers

Aberdeen and Edinburgh become latest Scottish LEZ cities

Council plans to buy homes to stop bus gate scheme