London

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

Five mayoral candidates including Goldsmith and Khan also supported pedestrianising Oxford Street

Arup's Paula Kirk argues cities must lead in tackling climate change, and public, private and civil society partnerships will be critical to their success

New data reveals how the world's biggest metropolises are driving the world's coal demand

Boris Johnson also raises concerns about abolition of zero carbon homes target

Critics say plan to make councils responsible for policing pollution in urban areas offers no extra money or new powers

Frontrunner in the race to be the Tory's London mayoral candidate warns of the effects of government policy, and outlines his vision for a greener London