London Ulez

Pollution increases risks of Covid, study finds

'Nearly every London school is in toxic air area'

Lead still exists in London air 22 years after ban

The permit aiming to tackle pollution

Is road pricing the answer for London?

BBC Inside Science. Soils and floods, Air pollution and ultra-low emission zones, detecting the drug Spice. Audio, 29 minutesBBC Inside Science

London's new pollution charge begins

London's ULEZ: How does it compare?

ULEZ: What is London's Ultra Low Emission Zone? Video, 00:00:59ULEZ: What is London's Ultra Low Emission Zone?

ULEZ: The most radical plan you've never heard of

TfL deficit down but uncertainty looms

Reality Check: What should owners of old diesels do?