Pollution has been linked to nine million deaths worldwide in 2015, a report in The Lancet has found.
Almost all of these deaths occurred in low- and middle-income countries, where pollution could account for up to a quarter of deaths. Bangladesh and Somalia were the worst affected.
Air pollution had the biggest impact, accounting for two-thirds of deaths from pollution
Brunei and Sweden had the lowest numbers of pollution-related deaths.
“Pollution is much more than an environmental challenge – it is a profound and pervasive threat that affects many aspects of human health and wellbeing,” said the study’s author, Prof Philip Landrigan, of the Icahn School of Medicine, at Mount Sinai in New York.
The next largest risk factor, water pollution, accounted for 1.8 million deaths, while pollution in the workplace was linked to 800,000 deaths globally.