Environment Variables

Episódios

• The Week in Green Software: The Green Side of Observability 02.07.2026 43min

  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 sustainable software systems.Learn more about our people:Kate Goldenring: LinkedIn | WebsiteDiana Todea: LinkedIn | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterResources:The Green Side of Observability - Diana Todea | DevOps.com [01:01]Retroactive Sampling with OpenTelemetry | KubeCon Amsterdam 2026 [10:09]Observability Is a Mesh, Not a Braid - Diana Todea | Medium [24:54]Grafana Mimir [29:47]VictoriaMetrics [30:03]SCI for Open Telemetry | GSF [33:44]Software Carbon Intensity (SCI) | GSF [34:00]Green Observability: What Needs to Shuffle in Open Source? - Diana Todea | SCALE [34:41]Events:Sustainable Tech in the Age of AI 29 June 18:00 - Hamburg, Germany [40:59]FREE UKSG webinar: Minimising the environmental harm of AI through principle thinking 30 June 13:00 BST - UK, Virtual [41:15]Reducing Cost and Carbon 2 July 18:00 Frankfurt, Germany [41:39]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• Modelling a path to Fossil Free Internet with Tom Brown 25.06.2026 58min

  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 modelling is helping shape a more transparent and sustainable energy future.Learn more about our people:Chris Adams: LinkedIn | GitHub | WebsiteTom Brown: LinkedIn | Bluesky | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterResources:CO2.js | Green Web Foundation [01:08]Release Guide: CO2.js v0.18 - Green Web Foundation [01:25]Carbon Aware SDK | GSF [01:33]CodeCarbon [01:52]EcoLogits [01:54]PyPSA [03:00]https://www.tu.berlin/en/ensys Clean Coffee #1 [05:15]European Commission recommends open source tools for hydrogen-related cost-benefit analysis [10:49]The Role of Energy Storage in Germany Do renewables make electricity cheaper or more expensive? [20:17]The cost of data centre growth in Ireland | Friends of the Earth [22:08]24/7 carbon-free electricity matching accelerates adoption of advanced clean energy technologies | Igor Riepin [23:47]EV Ep50 TWiGS: Modeling Carbon Aware Software w/ Igor Riepin [24:32]EV Ep31 TWiGS: Code Green and Clean Power w/ Nina Jabłońska EV Ep97 How to Tell When Energy is Green w/ Killian Daley Spatio-temporal load shifting for truly clean computing [27:39]On the means, costs, and system-level impacts of 24/7 carbon-free energy procurement [35:46]Worked example showing that Anthropic is likely paying around 5000 USD per megawatt hour for compute capacity in the Colossus 1 datacentre [39:39] Neuralwatt Cloud [42:06] Solar and batteries can power the world [44:51]Solar electricity every hour of every day is here and it changes everything | Ember [51:32]Solar + Battery Atlas Harnessing the Sun | Solar + Battery Atlas model.energy [52:58]Scenario Builder (TZ-SB) [53:50]Tom Brown LinkedIn Post re: OpenStreetMap [54:51]MapYourGrid [56:09]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: State of The Fossil-Free Internet 18.06.2026 35min

  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 driving meaningful change. They highlight why better measurement, clearer reporting, and greater awareness are essential for building a more sustainable internet.Learn more about our people:Kate Goldenring: LinkedIn | WebsiteTzviya Siegman: LinkedIn | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:State of the Fossil-Free Internet 2026 | Green Web Foundation [01:08]How Tech Companies Are Obscuring AI’s Real Carbon Footprint | BloombergEp 97: How to Tell When Energy is Green with Killian Daly [06:18] Cloud Sustainability at Scale: Why Open Source Will Define the Next Era of Green Computing [15:53]Counting own goals: High-level assessment of the economic relationship between the ICT and the Oil and Gas sectors and its environmental implications [23:20]Enabled Eemissions CampaignUK quietly increases AI emissions forecast 100-fold | POLITICO [34:54]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Turning Green Standards into Code 11.06.2026 37min

  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 on why practical tools and real-world examples are essential for turning sustainability goals into everyday engineering decisions.Learn more about our people:Kate Goldenring: LinkedIn | WebsiteTzviya Siegman: LinkedIn | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:Introducing GSF Reference Implementations | Green Software Foundation [04:13]An update on SCI for Web - a new standard for measuring software carbon intensity for the Web - Green Web Foundation [11:59] Web Sustainability Guidelines (WSG) [13:27]Scotland’s ‘green datacentres’ policy ignores emissions impact of AI, analysis shows | The Guardian [20:04]More than 100 UK datacentres plan to burn gas to generate electricity | The Guardian [21:11] New Gas-Powered Data Centers Could Emit More Greenhouse Gases Than Entire Nations | WIRED [24:46]Google, Meta, Microsoft, Amazon back new data center tech accelerator | Latitude Media [26:41] Resources:Software Carbon Intensity (SCI) Specification | GSF [03:05]EV Ep145: Is Using LLMs for Tech Standards Work Actually Greener? (Harmony) [18:51]The Turing Lectures: Making AI (truly) sustainable (Dr. Sasha Luccioni) [22:04] Events:Web Going Green | June 8 at 12:00 pm BST (Edinburgh, hybrid) [34:26]Green IO Amsterdam | June 9-10 (Amsterdam) [34:37]Green IO - Meetup Community Event | June 9-10 (Amsterdam) [34:53]Who's Going to Save Us From the Energy Use of AI? You Are | June 17 at 6:00 pm BST (Brighton, hybrid) [35:04]SustainableIT Impact Summit | June 23 (London) [35:15] Lean Agentic AI | June 23 at 6:00 pm CEST (Karlsruhe, hybrid) [35:21]Sustainable Tech in the Age of AI | June 29 at 6:00 pm CEST (Hamburg) [35:29]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Watts That Smell 04.06.2026 38min

  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 resource-intensive investments can be justified by future benefits, and why better measurement of energy, carbon, and water use is essential for making informed decisions about technology’s role in a sustainable future.Learn more about our people:Aditya Manglik: LinkedIn | GitHub | WebsiteValeria Salis: LinkedIn | GitHub | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:A Comprehensive Taxonomy of Software Energy Smells [02:33]The Net Climate Impact of Artificial Intelligence [11:10]AI Has an Energy Story. Its Water Story Is Still Being Written [22:11]The Cost of Faster and Greener Computing [30:32]Sustainability Beyond Carbon Newsletter [32:34]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• Is Using LLMs for Tech Standards Work Actually Greener? 28.05.2026 53min

  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 for developers and organizations navigating this rapidly changing space.Learn more about our people:Chris Adams: LinkedIn | GitHub | WebsiteJoseph Cook: LinkedIn | SubstackFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterResources:Software Carbon Intensity (SCI) Specification | GSF [00:44]SCI-Web documents and consensus so far | GitHub/W3C [02:08]Creating a standard for measuring software carbon intensity for the Web Assemblies | Green Software Foundation [02:22]Harmony v2 - Equilibrium Line [06:06]AI can help humans find common ground in democratic deliberation | Science [07:03]Energy and AI – Analysis - IEA [39:28]Why Anthropic’s ultra-dirty deal shouldn’t surprise you at all – Ketan Joshi [46:16]How NOT to build a data center | Energy, Extended Harmony v2 - Equilibrium Line Substack [51:50]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Carbon Debt, Energy Smells, and the Missing Water Story in AI 21.05.2026 50min

  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 while unpacking what these discussions mean for developers and organizations trying to build greener software.Learn more about our people:Kate Goldenring: LinkedIn | WebsiteTzviya Siegman: LinkedIn | WebsiteNiki Manoledaki: LinkedIn | WebsiteSusannah Hill: LinkedIn | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterResources:Green IO New York Conference May 13th to 14th 2026 [06:09]Shaolei Ren: AI consumes a lot of water — but why? | TED Talk [12:41]Kepler | CNCF [15:30]Events:State of the fossil-free Internet: Public Briefing | 27 May 4:00pm CET (Virtual) [47:35]Green IO Amsterdam - Where IT leaders tackle Sustainability challenges | 9 Jun 6:00pm CEST (Tolhuistuin, Amsterdam) [48:35]Environmental Sustainability TCG | CNCF [47:53]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• TWiGS: The New Push for Comparable AI Carbon Data 14.05.2026 43min

  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 systems. It’s a thoughtful look at the challenges behind modern computing and the opportunities to rethink how software is designed and operated.Learn more about our people:Aditya Manglik: LinkedIn | GitHub | WebsiteValeria Salis: LinkedIn | GitHub | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation Newsletter News:Built to Measure: How SCI, Impact Framework, and Carmen Make Software Measurable | GSF [02:35] AI, energy, and the new rules of cloud sustainability competition | Computer Weekly [16:41] AI model cards in carbon.txt and an AI Sustainability Directory - Green Web Foundation [30:44] Events:Call for speakers for Green IO Conferences in 2026 [40:19] If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Asynchronous and Unreliable 07.05.2026 46min

  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 grounded look at the tradeoffs behind modern software and how the industry can move toward more responsible innovation.Learn more about our people:Anne Currie: LinkedIn | GitHub | WebsiteSara Bergman: LinkedIn | GitHub | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:Asynchronous and Unreliable Episode 1 [05:37]How to improve AI efficiency beyond cost optimisation | Computer Weekly [09:58]Towards Green AI: Decoding the Energy of LLM Inference in Software Development | Arxiv [21:59]annecurrie.com [34:02] Greenhouse Gas Protocol changes can bring trust back to climate accounting | Utility Dive [37:44] Green Software Maturity Matrix | GSF [40:22] Where AI Runs Determines Water Stress | ESS Open Archive If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Tokens, Water, and Transparency 30.04.2026 29min

  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 emerging solutions, showing how sustainability is quickly becoming a core part of modern software development.Learn more about our people:Chris Adams: LinkedIn | GitHub | WebsiteKate Goldenring: LinkedIn | WebsiteTzviya Siegman: LinkedIn | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:7 Ways to More Frugal AI | BetterTech [02:04]Where AI Runs Determines Water Stress | ESS Open Archive [09:54]US tech firms successfully lobbied EU to keep datacentre emissions secret | The Guardian [18:14]Resources:The ML.ENERGY Leaderboard [08:04] TWiGS: Who Pays for AI’s Energy Footprint? - Environment Variables Ep133 [09:15]TWiGS: Green AI Tradeoffs - Environment Variables Ep139 [20:43]Events:Measuring Software "at Scale" 5 May 6:30 pm CEST (Karlsruhe) [27:53] Call for Speakers | GreenIO [28:13]Call for Papers | HotCarbon [28:27]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: CSRD and the SCI Standard 23.04.2026 41min

  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 conversation around digital sustainability, emphasizing that it extends beyond carbon to include social and economic factors.Learn more about our people:Aditya Manglik: LinkedIn | GitHub | WebsiteCarlos Pignatoro: LinkedIn | GitHub | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:The SCI Standard: Providing the Software Emissions Data CSRD Needs | GSF [03:35]Green Prompting: Characterizing Prompt-driven Energy Costs of LLM Inference | Adamska et al. [13:19]GitHub - LLM Energy Lab | Adora Foundation [20:25]YouTube - I Can’t Sell You Laptops Anymore [30:43]Events:Sustainable AI for Climate Tech Founders (April 22 at 1:00 pm PDT - San Francisco) [37:55]Sustainable AI (April 23 at 6:00 pm CEST - Utrecht) [38:10]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Green AI Tradeoffs 16.04.2026 53min

  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 real-time energy consumption in AI workflows. They close by examining how rising AI demand is increasing hardware costs and disrupting the refurbished laptop market.Learn more about our people:Chris Adams: LinkedIn | GitHub | WebsiteKate Goldenring: LinkedIn | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:The SCI Standard: Providing the Software Emissions Data CSRD Needs | GSF [02:47]Green Prompting: Characterizing Prompt-driven Energy Costs of LLM Inference | Adamska et al. [29:40]I Can’t Sell You Laptops Anymore [44:30] Resources:Green Metrics Tool | green-coding.io [19:25] Cardamon [19:48]Briefing 1 - XBRL and materiality briefing video | Chris Adams [21:18] Deck 1 - XBRL and materiality carbon.txt - Green Web Foundation [25:48]A validator for carbon.txt files, and linked documents in them · GitHub [26:51]Introducing our new work on carbon.txt - Green Web Foundation GitHub - ml-energy/zeus: Measure and optimize the energy consumption of your AI applications! We know AI can use loads of energy. So why isn't it visible at the point of use when you use it? Is it because it's just too hard to show it? | Chris Adams [34:30] How to use GenAI models if you care about the energy they consume | Chris Adams GitHub - Energy and Carbon Tracking for OpenCode Release Guide: CO2.js v0.18 - Green Web Foundation [40:31]Putting things in perspective: Data center investments now on par with renewables, oil and gas [49:14]Events:Sustainable AI for Climate Tech Founders (April 22, 1:00 pm PDT - San Francisco) [51:32]Sustainable AI (April 23, 6:00 pm CEST - Utrecht) [51:41]HotCarbon Workshop If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Does Faster AI mean Greener AI? 09.04.2026 33min

  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 measurement is a critical but challenging first step. Finally, they explore a broader view of digital sustainability beyond carbon and highlight the launch of the Green Software Foundation website as a key resource.Learn more about our people:Aditya Manglik: LinkedIn | GitHub | WebsiteValeria Salis: LinkedIn | GitHub | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:Benchmarking the Energy Savings with Speculative Decoding Strategies | ACL Anthology [02:11]A Curated List of Open-source Software‑only Energy Efficiency Measurement Tools: A GitHub Mining Study [12:32]What do we mean by Digital Sustainability? | Catherine Mulligan [19:33]Green Software Foundation [25:42] Green Software Movement [27:21]Events:When Sustainable Product Design Becomes Strategic Advantage | 7 Apr 5:00pm CEST (Virtual) [28:17] GreenOps PowerBI Dashboard | 7 Apr 6:30pm CEST (Karlsruhe, hybrid) [28:32]CodeCarbon x Pruna x Ecologits Frugal AI Party | 8 Apr 6:00pm CEST (Paris) [28:51]Singapore Conference April 14th to 15th 2026 | 14-15 Apr (Singapore) [29:18]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Local AI & Lean Observability 02.04.2026 32min

  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 both the challenges and opportunities in making sustainability a standard part of software design, rather than an afterthought.Learn more about our people:Kate Goldenring: LinkedIn | WebsiteTzviya Siegman: LinkedIn | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:Letter from the Outgoing ED of GSF [01:18]When is Local AI Greener than the Cloud? | Intelligent Living [12:52]The Green Side of Observability: Why Less Data Can Mean More Insight | DevOps.com [18:30]Graphics card environmental impact calculator | Hubblo [22:45]Resources:Software Carbon Intensity (SCI) specification | GSF [02:07]SCI for AI | GSF [02:17]SCI for Web | GSF [02:33]Green Software Practitioner course | GSF [09:00]OnePointFive [09:37]GreenOps Academy | Greenpixie [09:52] Electricity Maps [15:15]Honeycomb Refinery [20:21]More than Carbon: Cradle-to-Grave environmental impacts of GenAI training on the Nvidia A100 GPU [25:47]From FLOPs to Footprints: The Resource Cost of Artificial Intelligence [26:12]Dr. Sasha Luccioni's Award [27:14]Events:Hobby Projects to Green Production Systems (March 31 at 6:00 pm - Budapest) [29:46]PowerBI Dashboard (April 7 at 6:30 pm CEST - Karlsruhe - Hybrid) [30:17]Green IO Singapore (April 14-15) [30:51]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Hourly Carbon Accounting 26.03.2026 47min

  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 role of tooling and standards, and why aligning software systems with cleaner energy in the moment could be a key step toward reducing digital emissions.Learn more about our people:Aditya Manglik: LinkedIn | GitHub | WebsiteOli Winks: LinkedIn | GitHub | WebsiteValeria Salis: LinkedIn | GitHub | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:GSF’s Response to GHG Protocol: Advocating for Hourly Carbon Accounting | GSF [03:11]Big Tech Says Generative AI Will Save the Planet. It Doesn’t Offer Much Proof | Wired [19:25]Developer engagement in open-source software’s green transition | NatureDisplay: green; applying the web sustainability guidelines - Hidde de Vries - CSS Day 2025 | YouTubeResources:GHG Protocol [03:27]What Central Park’s Squirrel Census says about conservation tech | Mongabay [30:54]Events:GreenOps PowerBI Dashboard | 7 Apr 6:30pm CEST (Karlsruhe - Hybrid) [44:25]Green IO Singapore Conference | 14-15 Apr (Singapore) [45:24]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Energy effects of War in Iran 19.03.2026 45min

  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 developers and organizations can play a role in sustainability by aligning workloads with cleaner energy and understanding the broader energy context behind digital systems.Learn more about our people:Tzviya Siegman: LinkedIn | WebsiteRyan Sholin: LinkedIn | GitHub | WebsiteKate Goldenring: LinkedIn | GitHub | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:Exclusive: Google, Tesla, others tackle energy affordability | Axios [02:10]Virginia to utilities: Do more with the existing power grid | CanaryMedia [03:38] There's another energy market that may get hit harder than oil by Strait of Hormuz closure [10:08]PUE Ranking - Paweł Czyżak on LinkedIn [14:44]Markdown, llms.txt and AI crawlers | Dries Buytaert [25:44]Datacentre developers face calls to disclose effect on UK’s net emissions | The Guardian [39:14]Events:LUT x Sustinaires | 25 Mar 7:15 AM CET (Remote) [41:29] UX Jumpstart | 26 Mar 2:00 PM CET (Virtual) [41:46] Are you speaking about Green Software? | GSF [41:59] Resources:Marc Brooker's Blog [06:32]Environment Variables Ep 133: TWiGS: Who Pays for AI’s Energy Footprint? [07:09]US data centre efficiency ranked by PUE - Rod McLaren: Words that work TPU vs GPU: Which Is Better for AI Infrastructure in 2025? [19:57]TPUs improved carbon-efficiency of AI workloads by 3x | Google Cloud Blog  Software Carbon Intensity for Artificial Intelligence [21:51]Hugging Face AI Energy Score Project [22:43]Google & Bing Warn: Markdown Files Can Increase Crawl Load and Cause SEO Issues [27:35]Introducing Markdown for Agents [28:57]agent-md | GitHub w3c-cg / ai-content-disclosure | GitHub [30:02]AI Preferences Measuring for Reporting vs Measuring for Action | GSF CarbonDB [34:22]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Shift-Left Sustainability 12.03.2026 37min

  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 software, why sustainability should be treated more like security, and highlight growing government interest in digital sustainability.Learn more about our people:Valeria Salis: LinkedIn | GitHub | WebsiteAditya Manglik: LinkedIn | GitHub | WebsiteOliver Winks: LinkedIn | GitHub | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:Shift-Left Sustainability: How to develop green software by design | Kolaxis [03:42]We nearly had power profiling in Chromium | Fershad [18:25]GDSA Summit returns: building on our progress | Sustainable ICT [25:36]Events:Green Software Practitioner Study Day | 13 Mar 10:00 am GMT (Brighton) [31:22]What Software Doesn’t “Count” | 17 Mar 6:00 pm CET (Barcelona) [3:19]Reducing Cost and Carbon | 18 Mar 6:00 pm CET (Hamburg) [33:56]LUT x Sustinaires | 25 Mar 7:15 am CET (Virtual) [34:55]Green Software Italia | 30 Mar 6:30 pm CET (Milan) [35:18]UX Jumpstart 26 Mar 2:00 pm CET (Virtual) [35:42]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: Who Pays for AI’s Energy Footprint? 05.03.2026 50min

  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 about our people:Chris Adams: LinkedIn | GitHub | WebsiteKate Goldenring: LinkedIn | WebsiteTzviya Siegman: LinkedIn | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:EnergyNet Task Force [03:50]EnergyNet on GitHub [03:50]EnergyNet expands to 280 apartments in Lund (Warp News) [03:50]Is this EnergyNet thing legit? (Chris Adams) [03:50]Sam Altman / OpenAI energy use and data centers (The Guardian) [12:20]Big Tech says generative AI will save the planet - proof is thin (WIRED) [01:10]Big tech greenwashing report (Ketan Joshi) [13:20]Different kinds of AI in the climate context (Chris Adams) [15:00]AI's Never Just One Thing: Different FLOPS for Different Folks (Hugging Face) [18:20]Great Lakes region unprepared for increasing water use demands(Alliance for the Great Lakes) [30:10]AI Cap-and-Trade: Efficiency Incentives for Accessibility and Sustainability [36:20]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: More New Hosts! 26.02.2026 49min

  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 can take today, the hosts share insights on how the tech industry can balance rapid advancement with measurable climate accountability.Learn more about our people:Asim Hussain: LinkedIn | GitHub | WebsiteAditya Manglik: LinkedIn | GitHub | WebsiteCarlos Pignatoro: LinkedIn | GitHub | WebsiteOli Winks: LinkedIn | GitHub | WebsiteValeria Salis: LinkedIn | GitHub | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:Why AI's water problem might actually be an opportunity | World Economic Forum [06:13]GreenOps - CloudBolt: Greener cloud usage multiplies with Kubernetes optimisation [23:51]Enabled emissions: How AI helps to supercharge oil and gas production [35:05]Events:Sustainable AI: Your 2026 Playbook | 19 Feb 18:00 GMT (Virtual) [45:31]Meme-tivism: Rethinking the Environmental Footprint of AI & ML | King's College London | 23 Feb (London) [45:54]Code Green London | 24 Feb 18:30 GMT (London) [46:13]Green Software Development Karlsruhe: How Apps Can Emit Less CO₂ | 03 Mar (Karlsruhe) [46:22] Optimizing AI Inference: How to Cut Costs, Latency & Energy | 12 Mar 18:30 CET (Barcelona) [46:35] AI, the ultimate green software challenge | 12 Mar 8:30 GMT (Virtual) [46:48]AI & Sustainability | 12 Mar 15:00 AEDT (Sydney) [47:02]Green Software Practitioner Study Day - Silicon Brighton | 13 Mar (Brighton) [47:12]If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.
• The Week in Green Software: New Hosts! 19.02.2026 51min

  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 research measuring real browser energy use, and emerging models like billing AI by the kilowatt-hour. Together, they examine how transparency, standards, and smarter engineering decisions can shape a more sustainable digital future.Learn more about our people:Chris Adams: LinkedIn | GitHub | WebsiteKate Goldenring: LinkedIn | WebsiteTzviya Siegman: LinkedIn | WebsiteFind out more about the GSF:The Green Software Foundation Website Sign up to the Green Software Foundation NewsletterNews:Building Community-First AI Infrastructure - Microsoft [05:00]Microsoft Pledged to Save Water in the A.I. Era - The New York Times [08:29]Building Community-First AI Infrastructure - Microsoft On the Issues Betting big on data centers, U.S. now leads world for new gas power development - Global Energy Monitor [13:56]The Robles v. Domino’s Settlement (And Why It Matters) [21:56]From FLOPs to Footprints: The Resource Cost of Artificial Intelligence [23:53]The Cost of Politeness in AI [29:54]Green Coding Solutions: webNRG Released [36:50]Energy-Aware Hosted Inference | Neuralwatt Portal [42:35]Resources:Environment Variables Ep 62: Greening Serverless w/ Kate Goldenring [11:24]Environment Variables Ep 104: OCP, Wooden Datacentres and Cleaning up Datacentre Diesel w/ Karl Rabe [12:16]GitHub - Green-Software-Foundation/real-time-cloud: Real Time Energy and Carbon Standards for Cloud Providers [14:56]Web Sustainability Guidelines | W3C [20:14]WCAG 2 Overview | Web Accessibility Initiative (WAI) | W3C [21:00] Software Carbon Intensity (SCI) Specification | GSF [23:22]Ecoinvent [27:06]Solar power in Finland - Energy [44:38]On using solar & batteries to provide 90% of the world population with 90% of their electricity demand for below 90 €/MWh | Chris Adams Solar and batteries can power the world How Did This State Become the Data Center Capital of the World?  Subsidizing the Cloud: U.S. State Incentives to Data Centers Scope True - Reality-Based Corporate Carbon Accounting For the Decarbonization webNRG GitHub - webNRG If you enjoyed this episode then please either:Follow, rate, and review on Apple PodcastsFollow and rate on SpotifyWatch our videos on The Green Software Foundation YouTube Channel!Connect with us on Twitter, Github and LinkedIn! Hosted on Acast. See acast.com/privacy for more information.