The 2010 EPI report is composed by the universities of Yale and Columbia in the United States. The study takes into account different factors concerning the environment and public health, including the pollution of the atmosphere, water quality, agriculture, fishing, forests and biodiversity.
"These indicators provide a gauge at a national government scale of how close countries are to established environmental policy goals", researchers write on their website.
Belgium only takes 88th place on a list of 163 countries worldwide, with a score of 58.1. The rankings are topped by Iceland with a score of 93.5. Most West-European countries have a place in the top 25.
If you only take into account the countries of the European Union, Belgium is last but one, only followed by Cyprus. Two years ago, Belgium ranked 57th on a list of 149 countries.
For more information and the complete list, click here