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The Guardian - UK
The Guardian - UK
Environment
Gary Fuller

Low emission zones are improving health, studies show

A car queues in heavy traffic
Low emission zones reduce air pollution by targeting highly polluting vehicles. Photograph: Dominic Lipinski/PA

An increasing number of research studies are showing that low emission zones (LEZs) improve health.

More than 320 zones are operating across the UK, Europe and notably in Tokyo, Japan. These reduce air pollution across an area by curbing the number of highly polluting vehicles, normally older diesels. Schemes, including London’s ultra-low emission zone, can improve air quality. This should lead to improved health, but does this actually happen?

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