London is the first city in the world to implement a 24-hour seven day a week Ultra Low Emission Zone inside which vehicles will have to meet tough emissions standards or face a charge media reported. Monday's introduction of the zone known as the ULEZ aims to reduce toxic air pollution and protect public health according to a press release from the office of Sadiq Khan mayor of London. Vehicles are responsible for around half of harmful nitrogen oxide air emissions in the British capital contributing to a toxic air health crisis that increases the risk of asthma cancer and
