Emergency hospital admissions fell after introduction of London’s T-charge and Ulez, study suggests

A study from Imperial College London suggests that the introduction of the T-charge and Ulez in London led to a decrease in emergency hospital admissions. The findings support the link between air quality improvements and public health outcomes.
Why it matters
This research provides empirical evidence for the health benefits of urban environmental policies, which are often subject to political controversy.
London’s ultra low emissions zone was introduced in 2019 and expanded in 2023. Photograph: Marcin Rogozinski/Alamy View image in fullscreen London’s ultra low emissions zone was introduced in 2019 and expanded in 2023. Photograph: Marcin Rogozinski/Alamy Pollutionwatch Air pollution Emergency hospital admissions fell after introduction of London’s T-charge and Ulez, study suggests Imperial College scientists analysed health records before and after introduction of air pollution reduction zones
The article reports on scientific findings and includes context about the controversy surrounding such zones.
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