What to know

• A study of more than 3,400 children found lung growth in London improved following the introduction of ULEZ in 2019S1
• Study compared lung size and function of 1,600 six- to nine-year-olds with a matched group in LutonS2
• A landmark study of more than 3,400 children, led by Queen Mary University of London, has found that air quality improvements following the introduction of London's Ultra Low Emission Zone (ULEZ) are strongly associated with accelerated lung growth in children...S3