Europe grants conditional extension for air quality improvements until June, but requires a new plan for the city
Greg Barker cuts ribbon on Europe's largest heat pump system at London's latest shopping centre
Conservation and residents' groups angered by mayor Boris Johnson's support for more runway capacity
Government faces Freedom of Information ruling over London air pollution documents
London mayor unveils "wonderful contraption" designed to improve capital's air quality
Carbon Disclosure Project launches new reporting initiative designed to encourage cities to cut emissions and boost climate risk management
Environmental group claims new policy exempting all vehicles with CO2 emissions under 100g/km will damage London's air quality
Bidding process gets under way for right to run flagship energy efficiency fund
From Amazongate to cricket, climate change takes no prisoners