Environment Variables

Certifying Green Software

Host Chris Adams speaks with Anita Schüttler about certifying green software and the role of standards in making software sustainability more mainstream. They discuss Germany’s Blue Angel certification, Anita’s work on the Holmes search software, and how

• Chapters

The Week in Green Software: The Economics of Green and Efficient Agentic AI

This Week in Green Software, Valeria and Adi explore the sustainability challenges of agentic AI and six ways developers can make AI workflows more efficient. They also discuss the new SCI for Web update, green regions and cloud sustainability, and the up

• Chapters

The Week in Green Software: AI Observability and Climate Education with Pascal Joly

Hosts Kate and Tzviya speak with consultant and technologist Pascal Joly about AI sustainability, observability, and tools for making smarter choices about AI usage. The conversation also explores the ITU’s Greening Digital Companies report and what its f

• Chapters

Backstage: Software Water Intensity

Producer Chris Skipper goes Backstage with Yi Ding and Hongliu Cao, chair and co-chair of the Software Water Intensity project, to discuss the development of the standard. They explore why water is a unique sustainability challenge, how data centres and s

• Chapters

The Week in Green Software: Flexibility in the Age of AI

TWiGS hosts Kate and Tzviya are joined by Dave Masselink, founder of Compute Gardener, to discuss how software engineers can play a direct role in building a cleaner energy future. The conversation explores flexible computing, carbon aware workload schedu

• Chapters

The Week in Green Software: The AI Water Management Challenge with Masheika Allgood

This Week, hosts Tzviya and Kate are joined by AI ethicist Masheika Allgood to discuss the growing environmental impact of AI data centres through the lens of water use. Drawing on a new case study from Georgia, the conversation explores how communities c

• Chapters

The Week in Green Software: The Green Side of Observability

This Week in Green Software, Kate is joined by Diana Todea to explore how observability can become more sustainable by designing systems with efficiency in mind. They discuss practical ways to cut costs and carbon emissions, avoid telemetry bloat, and bui

• Chapters

Modelling a path to Fossil Free Internet with Tom Brown

Chris Adams is joined by special guest Dr. Tom Brown from TU Berlin to explore how modelling can help build a fossil free internet and power grid. They discuss Google's 24/7 carbon free energy goals, the growing impact of data centres on electricity syste

• Chapters

The Week in Green Software: State of The Fossil-Free Internet

Kate and Tzviya explore the Green Web Foundation’s State of the Fossil-free Internet 2026 report and what it reveals about transparency, energy use, and the environmental impact of today’s digital infrastructure. The discussion examines the limitations of

• Chapters

The Week in Green Software: Turning Green Standards into Code

This Week in Green Software, hosts Kate and Tzviya explore how green software is moving from theory to practice, highlighting new reference implementations for measuring Software Carbon Intensity in AI workloads and progress toward standardizing SCI for W

• Chapters

The Week in Green Software: Watts That Smell

Adi and Valeria return to discuss the latest news from The Week in Green Software. They explore whether sustainability can be built directly into the software development process, from identifying “energy smells” in code to using tools that make energy ef

• Chapters

Is Using LLMs for Tech Standards Work Actually Greener?

Chris Adams invites Joseph Cook, Arctic scientist and GSF Head of R&D, to explore the latest developments in green software and the growing pressure on the tech industry to balance innovation with sustainability. From AI and energy use to policy, meas

• Chapters

The Week in Green Software: Carbon Debt, Energy Smells, and the Missing Water Story in AI

Live from Green IO, Tzviya and Kate are joined by Niki Manoledaki and Susannah Hill as they share highlights and key takeaways from the conference, exploring how sustainability is becoming a bigger priority across the tech industry. From practical enginee

• Chapters

TWiGS: The New Push for Comparable AI Carbon Data

TWiGS hosts Adi and Valeria explore the latest conversations shaping green software, from the environmental impact of AI and data centers to the growing push for better measurement and accountability in tech. They discuss how developers, companies, and po

• Chapters

The Week in Green Software: Asynchronous and Unreliable

Host Anne Currie chats to Sara Bergman and they unpack the latest developments in green software, exploring how AI growth, infrastructure demands, and policy shifts are reshaping the sustainability conversation. They discuss the real-world impact of energ

• Chapters

The Week in Green Software: Tokens, Water, and Transparency

Tzviya Siegman and Kate Goldenring dive into the latest stories shaping green software, from the rising energy demands of AI to the practical tradeoffs developers face when building more efficient systems. They explore new ideas around measuring impact, s

• Chapters

The Week in Green Software: CSRD and the SCI Standard

This Week in Green Software, hosts Carlos and Adi cover the latest developments in green software, including new insights into measuring and reducing the energy impact of digital systems. They explore research challenging common assumptions about efficien

• Chapters

The Week in Green Software: Green AI Tradeoffs

Host Kate Goldenring is joined by Chris Adams to explore how the Software Carbon Intensity (SCI) standard can help companies meet new EU sustainability reporting requirements, shifting green software from best practice to audited obligation. They also dis

• Chapters

The Week in Green Software: Does Faster AI mean Greener AI?

Hosts Adi and Valeria cover new research showing that faster AI models do not always use less energy, especially when multiple models run in parallel. They highlight how the lack of standardized metrics makes it difficult to fairly compare energy efficien

• Chapters

The Week in Green Software: Local AI & Lean Observability

Hosts Kate and Tzviya unpack the latest news This Week in Green Software, focusing on how sustainability is increasingly being integrated into everyday engineering decisions. They explore the push toward earlier measurement and accountability, the role of