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.
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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.
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.
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.
Estimating Digital Carbon Emissions
An online, hands-on workshop on digital carbon emissions measurement.
Green Web Library
Curated resources about digital sustainability and more.
Green Screen Coalition
Connecting digital rights and climate justice practitioners and funders.
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Blog
- Environment Variables podcast: Shaping Web Sustainability with the W3C
On the Environment Variables podcast we co-produce with the Green Software Foundation, Chris was was recently joined by Tzviya Siegman, the new sustainability lead at… Environment Variables podcast: Shaping Web Sustainability with the W3C - Notes from the sustainability chapter of the 2024 web AlmanacEarlier this month the 2024 edition of the HTTP Archive’s Web Almanac was published – our industry’s bi-annual “State of the Web” report. This is… Notes from the sustainability chapter of the 2024 web Almanac
- A public roadmap and playground for CO2.jsThis summer, we’ve been spending some time enhancing the developer experience for CO2.js – our JavaScript library for estimating digital carbon emissions. This work has… A public roadmap and playground for CO2.js
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)