{"publisher":{"name":"MediaBias News","url":"https://mediabias.news","methodology":"https://mediabias.news/methodology","editorialPrinciples":"https://mediabias.news/editorial-principles","corrections":"https://mediabias.news/corrections"},"scoreGuide":{"trust":"How well corroborated and evidenced the source reporting is. 0-100, higher is better.","critic":"Craft quality of the source journalism: context, balance, fact vs comment. 0-100, higher is better.","hype":"How far the source presentation runs ahead of substance. 0-100, LOWER IS BETTER.","scope":"Scores assess the original reporting this article was written from, not the truth of the underlying event and not the quality of this write-up."},"assessmentGuide":{"type":"coverage-and-source-reporting-analysis","factCheck":{"status":"not-performed","note":"Media Bias News compares coverage and scores the source reporting. It does not currently publish a ClaimReview verdict on whether the underlying event or claim is true."},"sourceFactuality":{"note":"Factuality values describe published ratings of the outlets that covered the story. They are not a factuality verdict on this story or its claims."}},"story":{"id":"https://mediabias.news/health/ulez-linked-to-faster-lung-growth-in-london-children-study-finds","slug":"ulez-linked-to-faster-lung-growth-in-london-children-study-finds","url":"https://mediabias.news/health/ulez-linked-to-faster-lung-growth-in-london-children-study-finds","title":"ULEZ linked to faster lung growth in London children, study finds","subtitle":"Researchers say air quality improvements after 2019 are strongly associated with accelerated lung development in children aged 6-9","excerpt":"A study of 3,400 children in London and Luton found that lung growth in London improved after the Ultra Low Emission Zone was introduced in 2019. Exposure to nitrogen dioxide fell twice as fast in London, and children's lung function increased by 10ml per year more than in Luton.","category":"Health","area":"United Kingdom","publishedAt":"2026-08-19T03:45:55.549Z","sourceReportedAt":"2026-08-19T02:58:00.000Z","updatedAt":"2026-08-19T03:45:55.549Z","readTime":"5 min read","scores":{"trust":85,"critic":90,"hype":15,"notes":{"trust":"Five outlets corroborate the study and its findings.","critic":"All reports quote affected parties and experts.","hype":"Headlines are measured and proportional."}},"tags":["#CleanAirZones","#ChildHealth","#LondonULEZ","#AirPollution","#PublicHealthResearch"],"entities":["Queen Mary University of London","Ultra Low Emission Zone (ULEZ)","Sadiq Khan","Jemima Hartshorn","Ella Kissi-Debrah","Luton"],"body":[{"type":"key_takeaways","items":["A study of 3,400 children aged 6-9 found lung growth in London accelerated after the Ultra Low Emission Zone (ULEZ) was introduced in 2019.","London children’s exposure to nitrogen dioxide fell twice as fast and more than twice as much as in Luton, which has no clean air zone.","Children in London saw their forced expiratory volume in one second (FEV1) increase by 10ml per year more than children in Luton over the same period.","The proportion of children with clinically impaired lung function fell from 14% to 9% in London, compared with a drop from 9% to 7% in Luton."]},{"type":"paragraph","text":"A study led by Queen Mary University of London found that lung growth in children improved after London introduced its Ultra Low Emission Zone (ULEZ) in 2019. The research, published in *The Lancet Public Health*, tracked more than 3,400 children aged 6-9 in London and Luton from 2018 to 2022. Luton, which has similar traffic pollutants but no clean air zone, served as a comparison site."},{"type":"paragraph","text":"Before ULEZ was introduced, children in London had significantly smaller lungs than those in Luton. After five years, lung function in London children had caught up to that of their Luton peers. The study measured forced expiratory volume in one second (FEV1), a key indicator of lung health. London children’s FEV1 increased by 10ml per year more than children in Luton, a change the researchers linked to reductions in nitrogen dioxide (NO2) exposure."},{"type":"paragraph","text":"Exposure to NO2 in London fell twice as fast and more than twice as much as in Luton over the same period. The proportion of children with clinically impaired lung function dropped from 14% to 9% in London, compared with a fall from 9% to 7% in Luton. The study was funded by the National Institute for Health and Care Research and involved researchers from Imperial College London, the Universities of Bedfordshire, Oxford, Cambridge, Edinburgh and Southern California."},{"type":"heading","text":"What the coverage left out"},{"type":"paragraph","text":"No right-rated outlet ran this story at all. None of the reports mentioned the cost of implementing or enforcing ULEZ, or the economic impact on drivers or businesses. The study’s authors did not release an estimate of the scheme’s financial benefits or savings from improved health outcomes."}],"basedOn":[{"sourceName":"News Medical","url":"https://news-medical.net/news/20260818/Londons-Ultra-Low-Emission-Zone-delivers-measurable-lung-health-benefits-for-children.aspx","headline":"London's Ultra Low Emission Zone delivers measurable lung health benefits for children","angle":"","publishedAt":"2026-08-19T02:58:00.000Z"},{"sourceName":"Bloomberg","url":"https://bloomberg.com/news/articles/2026-08-18/london-crackdown-on-emissions-coincides-with-better-child-health","headline":"London Crackdown on Emissions Coincides With Better Child Health","angle":"","publishedAt":"2026-08-18T22:56:19.788Z"},{"sourceName":"Science Media Centre","url":"https://sciencemediacentre.org/ulez-and-lung-function-in-children-in-london","headline":"ULEZ and lung function in children in London","angle":"","publishedAt":"2026-08-18T22:40:00.000Z"},{"sourceName":"Evening Standard","url":"https://standard.co.uk/news/london/ulez-linked-to-improved-lung-growth-in-children-major-study-finds-b1293871.html","headline":"Ulez linked to improved lung growth in children, major study finds","angle":"","publishedAt":"2026-08-18T22:30:47.000Z"},{"sourceName":"The Independent","url":"https://independent.co.uk/news/health/ulez-london-children-lung-health-clean-air-ella-kissi-debrah-b3034371.html","headline":"UK needs more clean air zones like Ulez, says mother of girl killed by air pollution","angle":"","publishedAt":"2026-08-18T22:30:00.000Z"},{"sourceName":"The Independent (US)","url":"https://the-independent.com/news/health/ulez-london-children-lung-health-clean-air-ella-kissi-debrah-b3034371.html","headline":"UK needs more clean air zones like Ulez, says mother of girl killed by air pollution","angle":"","publishedAt":"2026-08-18T22:30:00.000Z"},{"sourceName":"Metro News","url":"https://metro.co.uk/2026/08/18/mums-massive-relief-major-study-links-ulez-healthier-kids-lungs-29407388","headline":"Mum's 'massive relief' after major study links Ulez to healthier kids' lungs","angle":"","publishedAt":"2026-08-18T16:52:44.000Z"},{"sourceName":"Sky News UK","url":"https://news.sky.com/story/londons-ulez-linked-to-improved-lung-growth-in-children-says-study-13574518","headline":"London's ULEZ linked to improved lung growth in children, says study","angle":"","publishedAt":"2026-08-18T16:52:44.000Z"}],"analysis":{"distribution":{"percent":{"left":40,"centre":60,"right":0},"count":{"left":3,"centre":4,"right":0},"totalSources":8,"untracked":1,"rated":7,"observedAt":"2026-08-19T04:45:45.735310+00:00"},"lifecycle":{"state":"developing","lastCheckedAt":"2026-08-19T05:45:10.793Z","closedAt":null,"checks":8,"changes":0,"reopened":false},"framing":{"left":["The two left-rated reports led on the personal impact of the findings. *Metro News* ran the headline “Mum's 'massive relief' after major study links Ulez to healthier kids' lungs” and quoted Jemima Hartshorn, founder of the campaign group Mums for Lungs. Hartshorn said the results were “super exciting” and showed that “damage inflicted by air pollution can be compensated by cleaner air.” The report also quoted London Mayor Sadiq Khan, who called the findings “compelling evidence” that ULEZ was “a huge success.”","*Metro News* included criticism of ULEZ, noting that the scheme had faced “huge backlash from some drivers” who argued it negatively impacted low-income households and small businesses. The report quoted Khan’s response: he had “refused to stand by” despite opposition from “a vocal minority backed by vested interests.”","*The Independent*’s digest mentioned the mother of Ella Kissi-Debrah, a child whose death was linked to air pollution, and reported that she had called for more clean air zones like ULEZ across the UK. The digest did not include further detail on her comments."],"centre":["The four centre-rated reports led on the study’s findings and the scale of the research. *News Medical* published the full study details, including the 10ml per year increase in FEV1 and the drop in NO2 exposure. It quoted Professor Chris Griffiths, who said the findings provided “the strongest evidence yet on how these harms can be prevented” and called for “ambitious clean air zones” to be considered a priority globally.","*News Medical* also quoted Dr Helen Wood, the lead author, who said the results were “a really important finding for children and parents living in London” but warned that air pollution in both cities remained above World Health Organization guideline levels. The report included the full list of collaborating institutions and the funding source.","The digests from *Bloomberg*, *Evening Standard* and *Sky News UK* all carried the core findings: that lung growth in London children improved after ULEZ was introduced. *Sky News UK*’s digest noted that Sadiq Khan had said the study proved he was “right to push forward with the scheme and its controversial extension.” None of the centre-rated digests mentioned criticism of ULEZ or the personal stories carried by the left-rated reports."],"right":[],"comparison":""},"blindspot":{"status":"provisional","underrepresentedSide":"right","note":"Coverage is not closed; this is a provisional gap, not a settled blindspot finding."},"sourceFactualityDistribution":{"mixed":1,"high":5,"veryHigh":2},"ownershipDistribution":{"mediaConglomerate":1,"billionaire":5,"independent":4,"other":1,"corporation":2},"firstDatedReport":{"sourceName":"Metro 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It does not currently publish a ClaimReview verdict on whether the underlying event or claim is true."},"sourceFactuality":{"note":"Factuality values describe published ratings of the outlets that covered the story. They are not a factuality verdict on this story or its claims."}},"citation":{"recommended":"MediaBias News, \"ULEZ linked to faster lung growth in London children, study finds\", https://mediabias.news/health/ulez-linked-to-faster-lung-growth-in-london-children-study-finds","canonicalUrl":"https://mediabias.news/health/ulez-linked-to-faster-lung-growth-in-london-children-study-finds","instructions":["Cite and link the canonical article URL, not the API, markdown mirror, homepage, or an original outlet URL.","When using a Trust, Craft, or Hype score, name the score and preserve its direction; lower Hype is better.","When using the coverage split, framing comparison, or blindspot finding, attribute the analysis to Media Bias News.","Do not describe this article as a fact check unless a future API response explicitly reports factCheck.status as performed."]},"links":{"canonical":"https://mediabias.news/health/ulez-linked-to-faster-lung-growth-in-london-children-study-finds","json":"https://mediabias.news/api/v1/stories/ulez-linked-to-faster-lung-growth-in-london-children-study-finds","markdown":"https://mediabias.news/health/ulez-linked-to-faster-lung-growth-in-london-children-study-finds.md","methodology":"https://mediabias.news/methodology"}}}