London

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

Conservative MP warns against renewable energy subsidy cuts at event launching low-carbon initiative award

World famous gallery set to install rooftop solar panels in bid to save energy and curb climate impact