Full scale of health impact of poor air quality laid bare by study from Royal College of Physicians and the Royal College of Paediatrics and Child Health
Transport for London announces funding for a series of street improvement trials, including plans to harness solar and kinetic power from a West End street
Greenpeace publishes new report detailing how capital can close the gap on the rest of the country when it comes to solar power
Labour's mayoral hopeful unveils plans to create a non-profit clean energy company for London, as Jeremy Corbyn calls for councils to offer local utility services
Government says further research on the environmental impact of a third runway at Heathrow is needed before a decision can be made
Environment committee warns the Mayor is currently on track to miss his 2025 carbon pledge
Edinburgh, Newcastle and Leeds among more than 50 UK cities to promise to source increasing levels of green power