Nearly three million British children face pollution risk with 6,000 UK schools in areas ruled to have high toxicity

Every school in capital is over WHO limit of 10mg of PM2.5 per cubic metre Air pollution is thought to contribute to around 40,000 early deaths a year Comes as Rosamund Kissi-Debrah won right for new inquest into Ella’s death Asthma-suffering daughter lived near busy road in Hither Green, south London Millions of schoolchildren are