Carbon Data carbondata.dev

carbondata.dev

Carbon Data

Open, versioned emission factors for carbon accounting.

Scope 1, 2 and 3 emission factors in consistent units, with permanent versioned URLs that auditors can cite. Facility and company emissions to follow.

Browse the datasets Read the docs

What you get

  • Plain files over HTTPS

    Each series for each place as a small JSON or CSV file; tables as JSON or CSV, one file per partition, plus every dataset as one CSV or Parquet file. No key or signup.

  • Versions you can cite

    Every update gets a version id, and a pinned URL always returns the same data. The first version of each month is kept for good, so results stay reproducible.

  • Checked before publishing

    Each update is validated against its contract. If a check fails, the last good version stays live.

  • Licenses up front

    Every dataset names its source, its license, the exact credit line and whether commercial use is allowed.

Datasets

All 2 datasets

  • Emission factors

    Scope 1, 2 and 3 emission factors in one table: the GHG Emission Factors Hub 2026 and eGRID2024 (Cornerstone releases of EPA methods), UK DESNZ 2026 conversion factors, Ember national grid intensity (1985 onward) and USEEIO v1.4 spend-based supply chain factors. Every row states its unit, gas, scope and GWP set.

    Table Monthly

  • National fossil CO2 emissions

    Annual fossil CO2 emissions for every country and the world from 1750, in total and by source (coal, oil, gas, cement, flaring, other carbonates), from the Global Carbon Project's fossil CO2 dataset in the Global Carbon Budget.

    Time series Yearly

Quickstart

Three requests: the catalog, one dataset's metadata and one data file.

curl -s "https://api.carbondata.dev/v1/catalog"
curl -s "https://api.carbondata.dev/v1/emission-factors"
curl -sO "https://api.carbondata.dev/v1/emission-factors/download/emission-factors.csv"

Base URL: https://api.carbondata.dev. Next: the docs and the API reference.