Prior to this, in November 2018, academics at Queen Mary University of London were due to publish a study in the Lancet that found schemes like ULEZ make no difference to children’s health. It took the LEZ (Low Emission Zone), the precursor policy to ULEZ, introduced in 2008, which levied fines on lorries, buses and coaches, and examined its impact on over 2,000 children. ‘Despite… improvements in air quality, there was no evidence of improvements in the proportion of children with small lungs or asthma symptoms over this period’, it concluded. Unhappy with these findings, the mayor’s office wrote to the lead author, Professor Chris Griffiths, and asked him to change the conclusion. ‘It reads like LEZ or similar have no impact at all’, deputy mayor Rodrigues complained. Griffiths refused to budge. ‘It’s difficult to alter the sentence you refer to as it’s what we set out to look for but didn’t find’, he replied. The study was published unaltered the next day, but the deputy mayor’s intent was clear – to rewrite science to meet City Hall’s agenda.
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