Published October 14, 2022 | Version 1.1
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IPCC Data and Code Licensing Guidelines

  • 1. Ouranos, Canada
  • 2. ICTP, Italy
  • 3. Center for International Earth Sciences Information Network (CIESIN) Columbia Climate School, Columbia University, New York, U.S.A
  • 4. Instituto de Física de Cantabria (IFCA), CSIC - Universidad de Cantabria. Santander. Spain
  • 5. UKRI Science and Technology Facilities Council, UK
  • 6. IIASA, Austria
  • 7. Koninklijk Nederlands Meteorologisch Instituut, The Netherlands
  • 8. German Climate Computing Center, Germany


The data and code licensing guidelines for the IPCC endorsed by the IPCC Task Group on Data Support for Climate Change Assessments. Data needs to be accessible to both IPCC authors and external users. Undue restrictions should not be placed on the users, while, at the same time, the legitimate interests of the owners of data should be protected. In the interests of preserving clarity and transparency while protecting the rights of data providers, the Creative Commons Attribution Licence (CC BY 4.0) is the recommended data licence for the IPCC. Open-source licenses are recommended for code that underlies IPCC data products. 



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