# Environmental Performance Index

> quantifying the environmental effect of a state's policies

**Wikidata**: [Q1261772](https://www.wikidata.org/wiki/Q1261772)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Environmental_Performance_Index)  
**Source**: https://4ort.xyz/entity/environmental-performance-index


## References

1. [Source](https://epi.yale.edu/)
2. Freebase Data Dumps. 2013
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)