Sadiq Khan

Mayor of London pledges no more new diesel buses as he unveils hydrogen bus in London

Entrepreneurs could win £20,000 for green business ideas to help tackle capital's 'urgent' environmental problems

'I want all my environmental programmes, across the board, to stimulate growth and market opportunities in this growing sector, creating the green jobs of the future,' says London Mayor

September 2015 memo by former Number 10 adviser emerges suggesting government "did not yet have answer" on air quality

Fracking's about as far from locally controlled energy as you can get. We can do so much better, says David Powell at the New Economics Foundation

London mayor launches second phase of air-quality consultation proposing introduction of ULEZ zone in 2019 and charges for older, more polluting vehicles entering the capital from October 2017

London Mayor promises raft of new river crossings that encourage cycling, walking and use of public transport, including proposals for a 'cycle-bus' for riders using planned Silvertown Tunnel

Some 15,000 people responded to the Mayor's air quality consultation, with 79 per cent backing plans to bring forward restrictions on polluting vehicles in the capital

Fifty-one new buses will operate on two all-electric routes in central London by end of 2016

Having been re-appointed to the Transport for London board by Sadiq Khan the outspoken founder of BNEF is keen to help revolutionise the capital's approach to energy