WikiCarbon, the free product carbon footprint repository
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Compile Product Carbon Footprint (PCF) assessments on all goods and services in the world -- using a web-based, free-content, and open-access platform that supports collaboration, transparency, and public scrutiny. This is our Collective Brain Trust and a perpetual work in progress.


With time (let's give ourselves a decade), all companies will produce definite and reliable Product Carbon footprint (PCF) Assessments for: all goods and services ("products") in the world. Refer to the Progression matrix for more on the Vision and a review of Factors.

Principles & Rules

Refer to Principles & Rules.

Remaining carbon budget and the Big Three

Refer to Remaining carbon budget; The Big Three; and GWP conversion factors.

Founding and organization

WikiCarbon was created by Alexander G. Frantzen and all content is made available under an open license. All content will remain available on the internet free of charge in perpetuity.

Open license

All content on WikiCarbon is subject to the Creative Commons open license: Attribution-ShareAlike 4.0 International (CC BY-SA 4.0). Please refer to the Terms of Use, Disclaimer, and Privacy policy for full detail. When Editors submit text to which the Editor holds the copyright, Editors agree to license it under said open license (CC BY-SA 4.0). Anyone can share and adapt content on WikiCarbon as long as you give attribution and share-alike. Attribution means giving credit where credit is due; ShareAlike means any contributions to WikiCarbon fall under this license. Sharing means that anyone can copy and redistribute the material (content) in any medium or format; Adapting means that anyone can remix, transform, and build upon the material (content) for any purpose, even commercially. If Editors import text under a CC BY-SA license that requires attribution, Editors must credit the author(s) in a reasonable fashion. Editors may import text that they have found elsewhere or that they have co-authored, but in such cases Editors warrant that the text is available under terms that are compatible with the CC BY-SA 4.0 license. For more guidance on licensing, please review the Terms of use page associated with the The Wikimedia Foundation, Inc.: Terms of use.


For questions concerning this MediaWiki, including to become an Editor, please email: info [at] wikicarbon [.] org. You can also submit an application to become an Editor using the "Request account" button at the top of this page.