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
⚡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
- Notes from the SDIA Green Coding summit
Earlier this month the SDIA Green Coding Summit took place in Berlin. Some of our staff are based there, and we ended up being part… Notes from the SDIA Green Coding summit - A Carbon-Aware InternetUsing real-time data about electricity around the world, we annotated network connections with carbon-intensity. With this information, any digital infrastructure provider can move their compute workloads to greener regions.
- Estimating website emissions in the italian context – Sitigreen & CO2.jsIn 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.
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)