The adverts, which were broadcast and published between January and June, claimed that the existing Ulez in central London had almost halved levels of nitrogen dioxide (NO2) and that most air pollution related deaths actually occur in outer London.
The ASA is not challenging the science... the science is absolutely clear about the significant harm of air pollution on people's health and that estimated premature deaths from air pollution are higher in outer London than in inner London. We are confident that the advertisement is accurate, he said. Scientific analysis based on modelled scenarios and estimates is standard practice in the scientific community.
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