London

Edinburgh, Newcastle and Leeds among more than 50 UK cities to promise to source increasing levels of green power

Boris Johnson pledges 40,000 more ‘pollution-busting' trees for London

Arsenal Football Club and Sainsbury's among winners of Business Energy Challenge

Mayor of London expected to unveil roadmap for creating Europe's largest clean tech cluster in the capital

Mayor of London calls on the government to reconsider plans to remove tax relief for investors in community energy projects

Just One Thing campaign aims to help capital meet its target of recycling half of all domestic waste by 2020

New Mayor of London action plan aims to make sustainable drainage measures the norm by 2040 as Thames Water announces £20m of fresh funding

New hybrid black cab will hit London roads in 2017, a year before all taxis required to be capable of 'zero emissions' motoring

Four Toyota Mirai's will be used by Transport for London, with eight going to private businesses

Matthew Farrow reflects on a disappointing Tory Party Conference, but wonders if the devolution agenda could yet revive political interest in environmental issues