Commentary: The Countries with the Cleanest Environments in the World Are Also the Most Economically Free, Research Shows

One of the most frequently raised arguments against capitalism is that it is the primary driver of environmental pollution and climate change. But if we compare Yale University’s ranking of countries with the highest environmental performance with the Heritage Foundation’s Index of Economic Freedom, a very different correlation emerges.

For more than 20 years, Yale University has been publishing the Environmental Performance Index (EPI) and ranking countries according to their environmental health and ecosystem vitality. The EPI uses 32 performance indicators across eleven issue categories:

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