You can find documentation and answers to common questions about the CEDA 2025 release at the following links (all open as PDFs on a new tab).
CEDA sets a new standard for Scope 3 carbon emissions data so you can power your sustainability programs with the most comprehensive and up-to-date spend-based data.
Watershed’s Comprehensive Environmental Data Archive (CEDA) is built by leading sustainability scientists for real-world application.
Recommended for organisations or companies measuring for the first time.
Recommended for more advanced sustainability programs and service providers. Includes everything in Open CEDA, plus:
Using the form below, choose whether you'd like us to email you a download link for the free version (Open CEDA), or if you'd like to enquire about purchasing a version of CEDA with additional data breakdowns and support. Please note: Open CEDA is offered for free under CC BY-SA license.
Watershed welcomes research and collaboration based on CEDA. The ultimate goal is to advance the climate data ecosystem and accelerate decarbonization. CEDA has been used over the last 20 years by academics, researchers and non profit institutions around the world. We are actively developing an academic version of CEDA. If you are interested in accessing CEDA for academic or research purposes and need access to more information about our models please reach out.
You can find documentation and answers to common questions about the CEDA 2025 release at the following links (all open as PDFs on a new tab).