London hits 'historic' clean air milestone 184 years early - ULEZ makes 'even bigger difference'

The Ultra Low Emission Zone (ULEZ) is an area in London, England, where an emissions standard based charge is applied to non-compliant road vehicles

10 million people are now breathing cleaner air, fewer children are growing up with stunted lungs and fewer people will have to suffer from asthma, dementia and heart disease