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The index combines environmental impact with human well-being to measure the environmental efficiency with which, country by country, people live long and happy lives. Learn about the ideas behind the HPI, how it is calculated, why we need it and what it can teach us. Below is an Excel correlation plot of the HPI vs PingER's normalized derived throughput. It is seen that there is little correlation.
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Summary
The following table summarize the indices based on their source, coverage and currentness.
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