London’s low emission zone is working – so why are cities around the world so cautious about clean air?
Similar initiatives have been launched from Barcelona to Bogotá, but they have misinformation, political pressure and vested interests stacked against them Ten years ago, Alastair Harper was an advocate for young people’s health sitting in a stuffy meeting room in London planning an air pollution campaign. “My phone started buzzing,” he said. “I took the call, and then told the room I needed to…
Ten years ago, Alastair Harper, an advocate for young people's health, experienced the dire effects of air pollution firsthand when his child was rushed to the hospital due to difficulty breathing. London's toxic air claimed the lives of hundreds of thousands of people each year, with Ella Adoo-Kissi-Debrah's death in 2013 being directly attributed to pollution in 2020.
In 2019, London introduced the ultra-low emission zone (Ulez), which charges £12.50 a day for polluting vehicles that do not meet stringent standards. This has led to a significant reduction in nitrogen dioxide levels, a harmful pollutant, and improved the air quality for children breathing it.
Professor Nick Hopkinson of Imperial College London stated that the QMUL study confirming the positive impact of Ulez was not surprising, as there is ample evidence linking air pollution to various health issues, including respiratory difficulties, heart disease, and premature death.
Despite the proven benefits of clean air zones, opposition remains widespread, with many cities hesitant to implement similar measures. This opposition often stems from cultural and political factors, making it challenging for cities hoping to follow in London's footsteps. However, experts and advocates argue that the technology and knowledge exist to combat air pollution, and successful examples from around the world demonstrate that impactful policies can be replicated.
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