Air Pollution: A Global Health Threat Air pollution is the greatest environmental health hazard to humankind, leading to over six million deaths a year and an economic cost that equates to over $8 trillion dollars. That’s according to the World Air Quality Report 2022 released Tuesday by Swiss air quality technology company IQAir. Statista's Anna Fleck reports that the analysis found that out of a surveyed 131 countries, regions and territories, only 13 met World Health... Read this story