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• Reference: 2017/3044
• Question by: Caroline Russell
• Meeting date: 10 August 2017

Professor Stephen Holgate of the British Lung Foundation and former Chair of the Committee on the Medical Effects of Air Pollutants (COMEAP), as reported in the Sunday Times on 9 July 2017 said "The particles in underground railways are rich in iron and other metals such as copper, chromium, manganese and zinc. Metal particles increase our risk of asthma, lung and cardiovascular disease and possible dementia". In light of this statement, and your answer to my question 2016/4580 in which you said "TfL will continue discussing the issues of health impacts of tube dust in the London Underground", will you...

• Reference: 2017/2082
• Question by: Caroline Russell
• Meeting date: 22 March 2017

According to King's College London research commissioned by Transport for London (TfL) and the GLA on 'understanding the health impacts of air pollution in London', the public health costs of particulate and nitrogen dioxide (N02) emissions, based on 2010 data, were estimated at up to £3.7 billion per annum. Do you have a more recent estimate of the public health costs of air pollution in London?