Two months ago, the results of the inquest into the death of schoolgirl Ella Adoo-Kissi-Debrah were made public, making her the first person in the country to have air pollution listed as a cause of death.
As part of his ruling, the coroner highlighted several areas of concern, including the discrepancy between the UK's legal limit on fine particulate matter (PM2.5) and the World Health Organisation's recommendations, as well as the lack of public awareness around the health risks linked to air pollution.
