Environment Variables

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 can better understand the local effects of AI infrastructure, why transparency and public engagement matter, and what policymakers, developers, an...

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 build greener observability pipelines from the start. Treating observability as an architectural decision is key to creating more efficient and sust...

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 systems, and how investments in clean energy technologies could accelerate global decarbonisation. Along the way, Tom shares why open source energy mo...

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 carbon accounting practices, the rapid growth of AI-driven data centers, and the role of policy, open source tools, and public accountability in...

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 Web. They also examine the growing energy demands of AI and data centers, discuss the role of policy and awareness in driving change, and reflect...

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 efficiency as visible as performance or security. They also tackle the growing debate around AI’s environmental impact, examining whether today’s r...

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, measurement, and infrastructure, the conversation highlights the challenges behind building a greener digital future while sharing practical insights...

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 engineering strategies to broader conversations around AI, infrastructure, and digital responsibility, the episode captures the energy of the event whil...

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 policymakers are responding to rising energy demands, while highlighting practical ideas for building more efficient and sustainable digital system...

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 energy use, the importance of better measurement and transparency, and the practical steps teams can take to build more efficient systems. It’s a grou...

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, smarter infrastructure choices, and how industry and policy are starting to respond. The conversation brings together real-world challenges and em...

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 efficiency, highlight practical tools for tracking software emissions, and discuss ongoing challenges in standardizing measurement. They also broaden the...

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 discuss research on “green prompting,” showing that specific words can significantly impact AI energy use, along with new tools that reveal rea...

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 efficiency and can lead to inconsistent reporting. They also discuss a curated set of open-source tools for measuring software energy use and why measure...

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 tooling in helping developers understand energy use, and the growing influence of policy and industry initiatives. The conversation highlights b...

This Week in Green Software, hosts Oli, Adi, and Valeria explore the growing importance of hourly carbon accounting and what it means for building truly sustainable software. They discuss how moving beyond annual averages to real-time energy data can unlock more accurate insights, better decision-making, and smarter workload placement. The conversation highlights the challenges of measurement, the...

TWiGS hosts Tzviya and Kate are joined by Ryan Sholin of Electricity Maps to discuss how global events impact electricity availability, cost, and carbon intensity. They highlight that improving efficiency and better utilizing existing power grids could reduce the need for new energy infrastructure. The conversation connects energy awareness with software design decisions, emphasizing that develope...

This Week in Green Software, Valeria, Adi, and Oli come together to explore the concept of Shift-Left Sustainability—the idea that environmental impact should be considered early in the software development lifecycle rather than after deployment. They discuss how better measurement, developer tooling, and practical incentives can help teams build more efficient and environmentally responsible soft...

Host Kate Goldenring is joined by Chris Adams and Tzviya Siegman for a news round-up on sustainable software. They dig into EnergyNet and the idea of routing electricity more like the internet, unpack the latest AI energy and greenwashing debates, and look at policy and research angles — from proactive water planning for data centers to a cap-and-trade style proposal for AI efficiency. Learn more...

Asim Hussain introduces more new co-hosts on this episode of TWiGS as they explore the evolving intersection of AI, infrastructure, and sustainability. The discussion covers the growing energy demands of AI workloads, the tension between innovation and environmental impact, and the role of standards and policy in guiding responsible growth. From data center expansion to practical steps engineers c...

This Week in Green Software, Chris Adams is joined by new co-hosts Kate Goldenring and Tzviya Siegman to explore the latest stories on their radars. They unpack Microsoft’s community-first AI infrastructure pledge, the rise of gas-powered data centers, and the hidden embodied emissions behind AI models and storage hardware. The conversation also dives into the energy cost of AI prompts, new resear...

Chris Skipper hosts Florent Morel and Joseph Cook to discuss Carmen on this Backstage episode. Built at Amadeus and now part of the GSF ecosystem, Carmen helps organizations measure software carbon emissions at both infrastructure and application levels using existing observability and FinOps data, all powered by the GSF Impact Framework. They discuss why granular, team-level emissions data matter...

Anne Currie hosts Anna Forlati to discuss why sustainability is not a cost center but a business advantage. Drawing on her journey from UX designer to Head of Digital Sustainability and Impact, Anna explores how inclusive design, ESG strategy, and cultural change can make digital products more resilient, ethical, and profitable. From B Corps and EU regulation to GreenOps and AI efficiency, the con...

In this episode, host Chris Adams is joined by Wilco Burggraaf and Robert Keus of GreenPT to unpack what greener prompting and transparent AI actually look like in practice. They discuss why most AI services hide their environmental impact, how GreenPT exposes real energy and carbon data to users, and why user behavior plays a major role in AI’s footprint. The conversation explores prompt length,...

Chris Adams speaks with Tom Kerkhove of the Microsoft Azure API Management team about how thoughtful API design can reduce energy use and improve system efficiency. They discuss how API gateways, caching, throttling, and observability can cut unnecessary compute and data transfer, while also improving reliability and developer experience. The conversation shows how small architectural decisions at...