London

New strategy aims to save capital £77m a year by reducing waste sent to landfill

London taxi firm adds 20 biofuel-powered vehicles to its 200 Toyota Prius

Simon Birkett of Clean Air in London says the government must act on the Environmental Audit Committee's recommendations

Up to 50 vehicles will be involved in experiment backed by David Cameron and Boris Johnson

London Assembly urges mayor Boris Johnson to cut levels of nitrogen dioxide instead of relying on wider UK policy

Norman Foster's plans for a new £50bn aviation, rail and communications hub features 5km long tidal array

New fuel station to support 15 hydrogen-powered black cabs and five scooters

But Mayor Boris Johnson warns people are failing to take advantage of subsidised retrofitting schemes