The internet is the world’s largest coal-powered machine.
That’s why we’re working towards
a fossil-free internet by 2030
The Green Web Foundation is working to accelerate the transition to a fossil-free internet. Our open dataset—accessed over 5 billion times—tracks how much of the internet runs on green energy. Estimate the carbon emissions of your digital products using our open tools. Join us in advocating for a more sustainable and just internet.
Green Web Dataset
Check if a website runs on 100% green energy and view public evidence of this claim. Download our dataset of green websites or access it through our API.
CO2.js
Estimate the carbon emissions of apps, website and software with our open Javascript library.
Carbon.txt
A convention to demonstrate that digital infrastructure runs on 100% green energy.
Supported By
Get Verified
Are you a hosting provider running on green energy? Get verified for free and included in our Green Web Dataset. Hundreds of customers check this dataset to know,“Is my website hosted green?“
Our Projects
Branch Magazine
An online magazine written by and for people who dream of a sustainable and just internet.
Green Web Fellowship
Internet practitioners learning and working alongside us to green their practice and advance climate justice.
Green Screen Coalition
Building bridges across the digital rights and climate justice movement.
Towards a Fossil-Free Internet
A research series to understand how to achieve a fossil-free internet by 2030.
Chapter 1: The Fog of Enactment Gauthier Roussilhe
Blog
- Introducing an updated way to get verified as a hosted services provider
Over the last few months, we’ve been working on updating the process we use to help companies get verified as providers of digital services powered… Read More »Introducing an updated way to get verified as a hosted services provider - Reading essentials on climate action 📚We asked our Green Web Fellows and the participants of the Open Climate Fellowship about their recommended readings on climate action — this is what… Read More »Reading essentials on climate action 📚
- 4 lessons I learned from facilitating a digital sustainability workshop at MozfestA few weeks ago I was fortunate to participate as a facilitator in an interactive workshop at MozFest. It was a new and very enriching… Read More »4 lessons I learned from facilitating a digital sustainability workshop at Mozfest
Press
- Triple Pundit: It’s Time for the Internet to Become More Sustainable, Says New Coalition (April 2022)
- BBC Digital Planet: How Green Is Our Data? (November 2021)
- Zeit Online: “Ihr Cappuccino hat den gleichen CO₂-Fußabdruck wie zwei Stunden Zoom” (September 2021)
- Gizmodo: The Planet Needs a New Internet (August 2021)