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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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
⚡Call for applications is now open: Work on climate justice and digital rights — apply to become a Green Web Fellow 2023/2024!
Branch Magazine
An online, 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.
Issue 5: Critical Carbon Computing has just landed!
Developer docs
Documentation on how to use our open source libraries and tools.
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
- Estimating website emissions in the italian context – Sitigreen & CO2.js
In this case study, we explore how the Sitigreen website carbon calculator uses CO2.js to perform website carbon calculations that are specific to Italian users. - A Door into the Clouds LabAs an environmental lawyer and climate activist, approaching digital rights for the first time was challenging. Although digital has become a big part of many… A Door into the Clouds Lab
- Putting the Internet Back in the ThingsReflecting on 2023, in my corner of the world it felt like the year the Internet finally came unraveled. The decades-long simmer of concentrating corporate… Putting the Internet Back in the Things
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)