According to the 2018 Environmental Performance Index, poor air quality is the greatest environmental threat to public health; diseases related to airborne pollutants contributed to 65% of all life-years lost to environmentally related deaths and disabilities in 2016. Produced by researchers at Yale and Columbia universities along with the World Economic Forum, the index ranks 180 countries based on 24 performance indicators in 10 issue categories focused on 2 policy objectives, environmental health and ecosystem vitality. Now in its 20th year, the index provides a biennial report card on each country’s performance in addressing environmental issues and insights on practices that help achieve environmental policy goals.
Friedrich M. Air Pollution Is Greatest Environmental Threat to Health. JAMA. 2018;319(11):1085. doi:10.1001/jama.2018.2366
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