Mayor Boris Johnson on air pollution

The Mayor said the level of dangerous particulates in the air has been reduced by 15% because of action on encouraging clean vehicles, walking and cycling. He also said he has introduced a plan to bring in an Ultra Low Emission Zone for vehicles in London by 2020.


Johnson: "I agree this is a serious issue which needs to be tackled." @itvlondon


Mayor's Question Time

Mayor Boris Johnson has been answering questions from the London Assembly.