We work towards a fossil-free internet by 2030
The Green Web Foundation is an independent non-profit that tracks how much of the internet runs on green energy. Manage the environmental impact of your digital products. Apply best practices in digital sustainability. Advocate for a more sustainable and just internet.
Get Verified
Are you a hosting provider using green energy? Get verified for free. Your services will be listed in our Green Web Dataset — accessed millions of times a day.
WHAT WE DO
Dataset
Check if a website runs on 100% green energy. View public evidence of claims. Download our open dataset or use our API.
CO2.js
Estimate the carbon emissions of apps, website and software with our open source Javascript library.
Training
Learn how digital carbon emissions are measured, what approaches are available, and what you should keep in mind. Join our online, hands-on workshop.
Branch Magazine
A carbon-aware magazine written by and for people who dream of a sustainable and just internet for all.
Recipient of the Ars Electronica Award for Digital Humanity.
Latest issue: Issue 8: Finding Beauty in the Imperfect. A collaboration with Wholegrain Digital.
Carbon.txt
A single place on any domain – /carbon.txt – to discover and use public, machine-readable, sustainability data relating to that company.
Fellowship
Green Web Fellows work at the intersection of digital rights and climate justice. They learn together about what powers control the internet, and what we can do about it.
Green Screen Coalition
Connecting digital rights and climate justice practitioners and funders.
SUPPORTED BY
Blog
- Introducing our new work on carbon.txt – the carbon.txt validator and an updated spec
Over the last few months we’ve been working on some new software to make it easier to discover sustainability data online – the kind of… Introducing our new work on carbon.txt – the carbon.txt validator and an updated spec - An update on the Real Time Cloud Working GroupSince joining the Green Software Foundation’s Real Time Cloud working group, every two weeks we’ve been joining calls with other producers and consumers of cloud… An update on the Real Time Cloud Working Group
- Help us find representatives for some large green hosting providersThe Green Web Dataset is regularly updated as new providers are added, and those with outdated information are archived. This cycle of change is centered… Help us find representatives for some large green hosting providers
Press
- Die Zeit: “Ist Surfen schmutziger als Fliegen?” (August 2023)
- Hosting Advice: The Green Web Foundation: Promoting a Fossil-Free Internet with Groundbreaking Green Initiatives (July 2023)
- 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)