Catalog / Environmental Performance Index (EPI) — Yale Center for Environmental Law & Policy

yale_epi

Environmental Performance Index (EPI) — Yale Center for Environmental Law & Policy

Name: Environmental Performance Index (EPI) — Yale Center for Environmental Law & Policy
Creator: Environmental Performance Index
License: https://creativecommons.org/licenses/by-nc-sa/4.0/

Open · redistributedcc-by-nc-sa-4.0-yale_epiEnvironment & Climate

Source: Environmental Performance Index (EPI), Yale Center for Environmental Law & Policy (Yale University) in partnership with the Center for International Earth Science Information Network (CIESIN), Columbia University. Licensed CC BY-NC-SA 4.0.

Redistributable. This source is served as canonical Parquet under the license below, with attribution and provenance preserved.

Coverage

Series catalogued

77,240

Temporal coverage

2024-12-31 – 2024-12-31

Licensing & provenance

License: cc-by-nc-sa-4.0-yale_epi
License URL: https://creativecommons.org/licenses/by-nc-sa/4.0/
Required attribution: Source: Environmental Performance Index (EPI), Yale Center for Environmental Law & Policy (Yale University) in partnership with the Center for International Earth Science Information Network (CIESIN), Columbia University. Licensed CC BY-NC-SA 4.0.
Redistribution: Permitted (served here)
Commercial use: Restricted / no
Modification: Permitted
Provider homepage: https://epi.yale.edu
Provider terms: https://epi.yale.edu/about-epi

How to cite

Environmental Performance Index (EPI) — Yale Center for Environmental Law & Policy. Retrieved from https://epi.yale.edu. Compiled and redistributed by the Elkassabgi Data Library.

Processing: Retrieved from the official source, normalized to a long {series_key, obs_date, value} schema (period-start dates), de-duplicated, and stored as zstd Parquet. Compiled and redistributed by the Elkassabgi Data Library.

Access & mirrors

Download: Select & download yale_epi series as CSV →
API: Get a free API key, then GET /v1/series/<id>.csv
Canonical landing: https://econdatalibrary.com/yale_epi
Update cadence: irregular
Automated refresh: live — this database is on the daily update run
Update strategy: overwrite if changed
Storage layout: single zstd parquet data/clean_full/yale_epi/yale_epi.parquet (small, ~thousands of obs: 180 countries x ~40 indicators x 1 year), schema (series_key 'EPI:{var}:{iso3}', obs_date date32 year-end, value float64).

Structured metadata

schema.org/Dataset (Google Dataset Search)

{
  "@context": "https://schema.org/",
  "@type": "Dataset",
  "name": "Environmental Performance Index (EPI) — Yale Center for Environmental Law & Policy",
  "description": "Agriculture (current); Agriculture (baseline); Air Quality (current). Environmental Performance Index (EPI). 77,240 series, 2024. Free download.",
  "url": "https://econdatalibrary.com/yale_epi",
  "identifier": "yale_epi",
  "isAccessibleForFree": true,
  "publisher": {
    "@type": "Organization",
    "name": "Econ Data Library",
    "url": "https://econdatalibrary.com"
  },
  "includedInDataCatalog": {
    "@type": "DataCatalog",
    "@id": "https://econdatalibrary.com/#catalog",
    "name": "Econ Data Library",
    "url": "https://econdatalibrary.com/catalog"
  },
  "creator": {
    "@type": "Organization",
    "name": "Environmental Performance Index",
    "url": "https://epi.yale.edu"
  },
  "license": "https://creativecommons.org/licenses/by-nc-sa/4.0/",
  "keywords": [
    "Environment & Climate",
    "yale_epi"
  ],
  "temporalCoverage": "2024-12-31/2024-12-31",
  "creditText": "Source: Environmental Performance Index (EPI), Yale Center for Environmental Law & Policy (Yale University) in partnership with the Center for International Earth Science Information Network (CIESIN), Columbia University. Licensed CC BY-NC-SA 4.0.",
  "citation": "Environmental Performance Index (EPI) — Yale Center for Environmental Law & Policy. Retrieved from https://epi.yale.edu. Compiled and redistributed by the Elkassabgi Data Library.",
  "sameAs": [
    "https://huggingface.co/datasets/econdatalibrary-yale_epi",
    "https://zenodo.org/communities/econdatalibrary"
  ],
  "distribution": [
    {
      "@type": "DataDownload",
      "name": "yale_epi — CSV",
      "encodingFormat": "text/csv",
      "contentUrl": "https://econdatalibrary.com/download.html?source=yale_epi",
      "license": "https://creativecommons.org/licenses/by-nc-sa/4.0/"
    }
  ]
}

Croissant (ML-ready, schema.org JSON-LD)

{
  "@context": {
    "@language": "en",
    "@vocab": "https://schema.org/",
    "cr": "http://mlcommons.org/croissant/",
    "data": {
      "@id": "cr:data",
      "@type": "@json"
    },
    "dataType": {
      "@id": "cr:dataType",
      "@type": "@vocab"
    },
    "sc": "https://schema.org/",
    "conformsTo": "dct:conformsTo",
    "dct": "http://purl.org/dc/terms/"
  },
  "@type": "sc:Dataset",
  "conformsTo": "http://mlcommons.org/croissant/1.0",
  "name": "yale_epi",
  "description": "Agriculture (current); Agriculture (baseline); Air Quality (current). Environmental Performance Index (EPI). 77,240 series, 2024. Free download.",
  "url": "https://econdatalibrary.com/yale_epi",
  "creator": {
    "@type": "sc:Organization",
    "name": "Environmental Performance Index",
    "url": "https://epi.yale.edu"
  },
  "publisher": {
    "@type": "sc:Organization",
    "name": "Econ Data Library",
    "url": "https://econdatalibrary.com"
  },
  "license": "https://creativecommons.org/licenses/by-nc-sa/4.0/",
  "keywords": [
    "Environment & Climate"
  ],
  "temporalCoverage": "2024-12-31/2024-12-31",
  "citation": "Environmental Performance Index (EPI) — Yale Center for Environmental Law & Policy. Retrieved from https://epi.yale.edu. Compiled and redistributed by the Elkassabgi Data Library.",
  "distribution": [
    {
      "@type": "cr:FileObject",
      "@id": "yale_epi-csv",
      "name": "yale_epi-csv",
      "description": "Per-series CSV, downloadable with a free API key.",
      "contentUrl": "https://econdatalibrary.com/download.html?source=yale_epi",
      "encodingFormat": "text/csv"
    }
  ]
}

Part of the Econ Data Library catalog · metadata generated 2026-08-02 from the central registry · browse all datasets