High Court hearing confirmed for latest air quality legal challenge, as London Mayor Sadiq Khan kicks off new global drive to improve urban air quality
UK100 group of cities urge Environment Secretary to deliver national framework to drive air quality improvements
Chancellor declares there is no point building an 'economy fit for the future, unless we ensure our planet has a future', but experts fear Budget could lead to renewables investment hiatus
New Islington scheme means two London boroughs now have a parking surcharge in place for diesel vehicles
Lengthy document summarises states' positions on how to review and improve national climate action plans
Start-up claims it has invented the first in-car technology for protecting drivers and passengers from high levels of air pollution
Government faces third legal challenge over its 'stubborn failure' to deliver adequate plans tackling illegal air pollution
Study calculates that poor air quality is leading to a social cost to the economy of £22.6bn a year
Highest levels of carbon monoxide found in areas encompassing Great Ormond Street Hospital, Ladbroke Grove and parts of the West End
Comprehensive Lancet research says governments have neglected tackling pollution that causes immense economic damage and nine million early deaths a year