Cornerstone Sustainability Data Initiative
About Cornerstone Sustainability Data Initiative
Cornerstone is a sustainability data initiative that now maintains the US Environmentally-Extended Input-Output (USEEIO) family of models, originally developed by the US Environmental Protection Agency (EPA). USEEIO provides open emission factors across more than 400 sectors of the US economy and is widely used for Scope 3 corporate accounting, policy analysis, and academic research.
Visit Cornerstone Sustainability Data Initiative websiteSupply Chain GHG Emission Factors v1.4.0
| Property | Value |
|---|---|
| Description | Cornerstone is a sustainability data initiative that now maintains the US Environmentally-Extended Input-Output (USEEIO) family of models, originally developed by the US Environmental Protection Agency (EPA). USEEIO provides open emission factors across more than 400 sectors of the US economy and is widely used for Scope 3 corporate accounting, policy analysis, and academic research. |
| Source type | Public-private partnership |
| Original dataset URL | URL |
| Year released | 2025 |
| Geography | US |
| Sector | |
| Type of data | Activity-based |
| Emission results | CO2e |
| Data Transformation | NA |
License
| Property | Value |
|---|---|
| Type of license | Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) |
| License URL | URL |
Data quality
| Property | Value |
|---|---|
| Data quality assurance | Vetted by Climatiq |
| Quality flag(s) | ΝΑ |
Explore the Cornerstone Sustainability Data Initiative dataset
See emission factors→Featured Emission Factors in Cornerstone Sustainability Data Initiative
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Environment and Climate Change Canada (ECCC) is the department of the Government of Canada responsible for coordinating environmental policies and programs as well as enforcing environmental regulations. Canada's Official Greenhouse Gas Inventory offers comprehensive data and insights on Canada's environmental footprint through greenhouse gas emission records.
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EMA
The Energy Market Authority (EMA) is a statutory board under the Ministry of Trade and Industry in Singapore. They issue average CO2 emission emitted per unit of electricity. Contains information from the Grid Emission Factor dataset accessed on 12/12/2025 from EMA which is made available under the terms of the Singapore Open Data Licence version 1.0 https://www.ema.gov.sg/terms-of-use.