What happens to people’s health when air pollution is reduced?
Growing evidence that cutting coal use and bans on high-polluting vehicles are leading directly to health benefits Failing crops, wildfires and overloaded health systems are focusing minds on the local impacts of our changing climate. While carbon emissions reduction is normally framed as having a global benefit rather than a local gain, studies published in 2025 and 2026 from Greece have added…
Studies published in 2025 and 2026 from Greece have revealed that reducing coal use and air pollution directly leads to improved health outcomes for local communities. West Macedonia, once Europe's leading area for lignite mining, shut down many of its coal-powered plants in the late 20th and early 21st centuries. This transition provided researchers with an opportunity to observe the impact on people's health as air pollution decreased.
The researchers found that when the air quality improved, fewer patients were admitted to cardiac wards. In West Macedonia, wintertime admissions for heart-related issues in major hospitals serving over 200,000 people dropped by 22% to 42%. This decline was in contrast to a rural area 50-100km away, which saw a 2% increase in hospital admissions during the same period.
Additionally, the proportion of people experiencing heart attacks and severe heart rhythm problems decreased to about one-third of their 2011 levels in one of the study hospitals. Sulphur dioxide levels also dropped by more than 90% near the limit of detection, and particle pollution improved.
These findings apply not only to Greece but also to other regions like Pittsburgh, USA, where a coal processing plant closure led to immediate reductions in air pollution and a corresponding decrease in heart-related hospital visits. Similarly, low emission and clean air zones, such as Bradford, West Yorkshire, and London's ultra-low emission zone, have resulted in measurable health improvements, including a 25% reduction in GP visits for heart and breathing problems and a 3% reduction in emergency admissions for adults in central London, including a notable 8% decrease in heart problems.
Written by urgent.news from Guardian Health's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.