Experts issue warning after discovering invisible hazard contributing to thousands of premature deaths: 'Burden of disease'

Experts issue warning after discovering invisible hazard contributing to thousands of premature deaths: 'Burden of disease'

A new study has revealed high levels of particle pollution in the Balkans, often exceeding those in Beijing. What's happening? In winter, particle pollution — also known as particulate matter pollution, or PM2.5 — in the Balkans is the highest in Europe, according to the study's co-authors. The Guardian summarized their research, which involved driving around Sarajevo in the winter in a van equipped with specialized sensors. Residential areas wh…