Green Web Foundation - Feed https://www.thegreenwebfoundation.org/ Towards a fossil-free internet by 2030 Sun, 25 Oct 2026 08:49:18 +0000 hourly 1 https://wordpress.org/?v=7.1.3 https://www.thegreenwebfoundation.org/wp-content/uploads/cropped-GWF-site-icon-32x32.png Green Web Foundation https://www.thegreenwebfoundation.org/ 32 32 How much energy does it really cost to visit a website? Part 1 – the browser https://www.thegreenwebfoundation.org/news/how-much-energy-does-it-really-cost-to-visit-a-website-part-1-the-browser/ Thu, 22 Oct 2026 10:11:49 +0000 Chris Adams https://www.thegreenwebfoundation.org/?p=12725 We’ve been working on a new standard for measuring the energy and carbon for web applications. In this first post in a series, director of technology and policy Chris Adams explains how this is done, what the state of the art is for tracking it, why so few browsers support this, and what can be… 

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]]> We’ve been working on a new standard for measuring the energy and carbon for web applications. In this first post in a series, director of technology and policy Chris Adams explains how this is done, what the state of the art is for tracking it, why so few browsers support this, and what can be… 

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]]> A July SCI for Web update – defining a new standard for carbon measurement in web applications https://www.thegreenwebfoundation.org/news/a-july-sci-for-web-update-defining-a-new-standard-for-carbon-measurement-in-web-applications/ Fri, 24 Jul 2026 11:43:37 +0000 Chris Adams https://www.thegreenwebfoundation.org/?p=12015 Over the last twelve months, we’ve been posting about our work leading on the development of SCI for Web, a new standard for measuring the carbon emissions from using digital services. This will eventually become an ISO standard, as a more focussed version of the parent ISO standard, Software Carbon Intensity, from the Green Software… 

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]]> Over the last twelve months, we’ve been posting about our work leading on the development of SCI for Web, a new standard for measuring the carbon emissions from using digital services. This will eventually become an ISO standard, as a more focussed version of the parent ISO standard, Software Carbon Intensity, from the Green Software… 

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]]> Release Guide: CO2.js v0.19 https://www.thegreenwebfoundation.org/news/release-guide-co2-js-v0-19/ Mon, 29 Jun 2026 07:13:58 +0000 Fershad Irani https://www.thegreenwebfoundation.org/?p=11752 CO2.js v0.19 introduces the ability for developers to lookup a domain for the presence and contents of a carbon.txt using the Green Web Foundation carbon.txt API. Perform carbon.txt lookups with Co2.js Recently, we made our carbon.txt API public allowing anyone to look up, parse and validate carbon.txt files in their own applications. In this release… 

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]]> CO2.js v0.19 introduces the ability for developers to lookup a domain for the presence and contents of a carbon.txt using the Green Web Foundation carbon.txt API. Perform carbon.txt lookups with Co2.js Recently, we made our carbon.txt API public allowing anyone to look up, parse and validate carbon.txt files in their own applications. In this release… 

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]]> Release Guide: CO2.js v0.18 https://www.thegreenwebfoundation.org/news/release-guide-co2-js-v0-18/ Thu, 26 Feb 2026 04:26:56 +0000 Fershad Irani https://www.thegreenwebfoundation.org/?p=11231 CO2.js v0.18 changes the default carbon estimation model to Sustainable Web Design Model (SWDM) version 4. It also see the addition of open, year grid intensity and fuel-mix data from from Electricity Maps.

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]]> CO2.js v0.18 changes the default carbon estimation model to Sustainable Web Design Model (SWDM) version 4. It also see the addition of open, year grid intensity and fuel-mix data from from Electricity Maps.

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]]> Release Guide: CO2.js v0.17 https://www.thegreenwebfoundation.org/news/release-guide-co2-js-v0-17/ Tue, 02 Dec 2025 06:14:48 +0000 Fershad Irani https://www.thegreenwebfoundation.org/?p=10846 CO2.js v0.17 adds subpath exports to the library, providing a more consistent experience for ESM and CJS users. The update also includes information for developers about future planned changes to the default carbon estimation model. Subpath Exports Adding subpath exports to CO2.js gives us more flexibility in the future to add new datasets and functionality.… 

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]]> CO2.js v0.17 adds subpath exports to the library, providing a more consistent experience for ESM and CJS users. The update also includes information for developers about future planned changes to the default carbon estimation model. Subpath Exports Adding subpath exports to CO2.js gives us more flexibility in the future to add new datasets and functionality.… 

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