Environment Bill: Clean air rules to be amended after 7 years’ wait

Provisions concerning the pollutant, linked to dementia and a welter of other health conditions, instead refer to a new target to be set through regulations. Although no date or specific value is mentioned, these would presumably be to meet the World Health Organization’s goal of 10 micrograms per cubic metre by 2030. But the deadline could be in 15 years or more.