اولز هوای تازه برای لندن بوده است | نامه ها

Ulez has been a breath of fresh air for London | Letters

Sadiq Khan’s ultra-low emission zone in London is celebrated by Lorna Henderson, George Coleby and Leonard Neamtu after a study showed its health benefits for children In light of the astonishing results achieved in lowering air pollution by the introduction of the ultra-low emission zone (Ulez) in London by Sadiq Khan (Ulez led to better lung size and function among London children, study finds, 18 August), should…