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Welcome

Foreword: Envisioning a Sustainable Internet
Maddie Stone

Letter from the Editors
Michelle Thorne and Chris Adams

Designing Branch: Sustainable Interaction Design Principles
Tom Jarrett

Solarpunk and Other Speculative Futures

One Vision, One World. Whose World Then?
Vândria Borari and Camila Nobrega

The Museum of the Fossilized Internet
Gabi Ivens, Joana Moll and Michelle Thorne

Today Google Stops Funding Climate Change Deniers
Extinction Rebellion NYC

Repairing Our Relationship with Technology
Janet Gunter

Critical Art and Carbon Aware Design

The Hidden Life of an Amazon User
Joana Moll

Don’t Press Snooze: Design in a Crisis
Alexandra Deschamps-Sonsino

Design for Carbon-Aware Digital Experiences
Lu Ye

Signal: A Poem
Taylor Rowe

Sustainable Web Craft

10 Rules for Building a Low-Impact Website
Jesper Hyldahl Fogh

Sustainability in Software Engineering
Bill Johnson

Reflections on Running a Sustainable Digital Agency
Tom Greenwood

Hands-On Sustainable Web Design
Laurent Devernay

AI Promises and Perils

AI and Climate Change: The Promise, the Perils and Pillars for Action
Eirini Maliaraki

Alexa, Save the Planet
Brett Gaylor

Climate Action in Tech

Seeing Black and Green in Tech
Melissa Hsiung

If I am a Techie, How Can I Help Solve Climate Change?
Kamal Kapadia

Policy and Advocacy

The Story is a Forest: How to Talk About Climate Change
Christine LaRiviere

When Policy Responds to Reality: Transformative Policy Futures
Chenai Chair

Interconnected: Sustainability on the Agenda
Michael J. Oghia

About Branch

medium grid intensity

Hands-On Sustainable Web Design

Photo by Javardh on Unsplash

The web is currently unsustainable, but we have a lot of ways to improve the way we create digital services. All people working in tech can do something—and we have to. It might also challenge how we think about accessibility, personal data and business models.

The environmental footprint of the digital world seems intangible to most. Yet our digital systems generate more emissions than the aviation industry. 

According to a study by the GreenIT group 1, this current annual footprint results in:

  • 6,800 TWh of primary energy (PE)
  • 1,400 million tonnes of greenhouse gases (GHG)
  • 7.8 million m3 of fresh water (water)
  • 22 million tonnes of antimony (ADP)

Based on these figures, the digital world’s contribution to the footprint of humanity represents:

  • 4,2% of the Primary Energy Consumption
  • 3,8% of the Greenhouse Gas Emissions
  • 0,2% of the water consumption

Look it up, it’s really a lot. Who’s to blame for that? Let’s see.

The unbearable weight of the web

Each minute, millions of clicks and content are sent on the internet. 80% of the global bandwidth is used for streaming (on demand, Youtube and pornography are the top 3 contributors).