Core institutions = US-based, degree granting universities, colleges and technical schools and EDU entities.
| Name | Type | Country |
|---|---|---|
| Commonwealth Scientific and Industrial Research Organisation (CSIRO) | GOV | Australia |
| Environmental Systems Science Centre | EDU | United Kingdom |
| ITC | EDU | Netherlands |
| Institute of Methodologies for Environmental Analysis | RLAB | Italy |
| Leiden University | EDU | Netherlands |
| McGill University | EDU | Canada |
| National Oceanic and Atmospheric Administration (NOAA) | GOV | United States |
| U.S. Air Force | MIL | United States |
| U.S. Geological Survey | GOV | United States |
| UK Met Office | GOV | United Kingdom |
| Università di Bologna | EDU | Italy |
Total: 11 sites | ||