Environment Variables
Episodes
The Green Shift: Transitioning .NET Services Across Architectures
25 Dec 2025
Contributed by Lukas
Anne Currie is joined by Sara Bergman to explore what the shift to greener computing really looks like in practice, using .NET and modern CPU architec...
The Week in Green Software: Tokens, Antarctica and SCI for AI
18 Dec 2025
Contributed by Lukas
This Week in Green Software, Chris Adams and Asim Hussain round up the latest stories shaping sustainable tech. From new research on AI and energy use...
Root and Branch and SCI-Web
11 Dec 2025
Contributed by Lukas
Host Chris Adams talks with Adam Newman and Oli Winks of Root & Branch about their new Software Carbon Intensity Web model for measuring the real ...
The Week in Green Software: Thirsty AI
04 Dec 2025
Contributed by Lukas
When artificial intelligence grows, so does its thirst. Chris Skipper hosts sustainability expert Valeria Salis, digging into the hidden cost of power...
Software Architecture for Sustainability
16 Oct 2025
Contributed by Lukas
Guest host Anne Currie speaks with Karthik Vaidhyanathan, Assistant Professor at IIIT Hyderabad, about integrating sustainability into AI development....
The Week in Green Software: Sustainability along the DevOps Lifecycle
09 Oct 2025
Contributed by Lukas
Guest host Anne Currie is joined by software engineer and sustainability advocate Julian Gommlich to explore how green practices can be embedded throu...
Building Energy Awareness into Operating Systems
02 Oct 2025
Contributed by Lukas
Host Chris Adams speaks with Didi Hoffmann, CTO of Green Coding Solutions, about building energy awareness into operating systems and making sustainab...
Sustainable AI
26 Sep 2025
Contributed by Lukas
Guest host Anne Currie speaks with Boris Gamazaychikov, Head of AI Sustainability at Salesforce, about aligning artificial intelligence with environme...
Backstage: The Green Software Movement Platform
11 Sep 2025
Contributed by Lukas
WIN FREE TICKETS TO GREEN IO LONDON:CLICK THIS LINK AND COMMENT BELOW TO WIN Learn more about our people:Chris Skipper: LinkedIn | WebsiteGosia F...
The Week in Green Software: AI Energy Scores & Leaderboards
21 Aug 2025
Contributed by Lukas
Host Chris Adams is joined by Asim Hussain to explore the latest news from The Week in Green Software. They look at Hugging Face’s AI energy tools, ...
LLM Energy Transparency with Scott Chamberlin
07 Aug 2025
Contributed by Lukas
In this episode of Environment Variables, host Chris Adams welcomes Scott Chamberlin, co-founder of Neuralwatt and ex-Microsoft Software Engineer, to ...
Real Efficiency at Scale with Sean Varley
24 Jul 2025
Contributed by Lukas
Anne Currie is joined by Sean Varley, Chief Evangelist and VP of Business Development at Ampere Computing, a leader in building energy-efficient, clou...
Real Time Cloud with Adrian Cockcroft
12 Jul 2025
Contributed by Lukas
Chris Adams is joined by Adrian Cockcroft, former VP of Cloud Architecture Strategy at AWS, a pioneer of microservices at Netflix, and contributor to ...
Backstage: Software Standards Working Group SCI
03 Jul 2025
Contributed by Lukas
In this Backstage episode of Environment Variables, podcast producer Chris Skipper highlights the Green Software Foundation’s Software Standards Wor...
Environment Variables Year Three Roundup
26 Jun 2025
Contributed by Lukas
It’s been three years of Environment Variables! What a landmark year for the Green Software Foundation. From launching behind-the-scenes Backstage e...
Open Source Carbon Footprints
12 Jun 2025
Contributed by Lukas
Chris Adams is joined by Thibaud Colas; product lead at Torchbox, president of the Django Software Foundation, and lead on Wagtail CMS. They explore t...
Cloud Native Attitude
05 Jun 2025
Contributed by Lukas
Environment Variables host Anne Currie welcomes Jamie Dobson, co-founder of Container Solutions and author of the upcoming book Visionaries, Rebels an...
How to Explain Green Software to Normal People
29 May 2025
Contributed by Lukas
Host Chris Adams speaks with James Martin about how to communicate the environmental impact of software to a general audience. Drawing on his backgrou...
Why You Need Hardware Standards for Green Software
15 May 2025
Contributed by Lukas
Chris Adams is joined by Zachary Smith and My Truong both members of the Hardware Standards Working Group at the GSF. They dive into the challenges of...
Cloud Infrastructure, Efficiency and Sustainability
08 May 2025
Contributed by Lukas
Host Anne Currie is Joined by the esteemed Charles Humble, a figure in the world of sustainable technology. Charles Humble is a writer, podcaster, and...
Backstage: Green AI Committee
01 May 2025
Contributed by Lukas
In this special backstage episode of Environment Variables, producer Chris Skipper spotlights the Green AI Committee, an initiative of the Green Softw...
The Economics of AI
24 Apr 2025
Contributed by Lukas
Chris Adams sits down in-person with Max Schulze, founder of the Sustainable Digital Infrastructure Alliance (SDIA), to explore the economics of AI, d...
OCP, Wooden Datacentres and Cleaning up Datacentre Diesel
17 Apr 2025
Contributed by Lukas
Host Chris Adams is joined by special guest Karl Rabe, founder of WoodenDataCenter and co-lead of the Open Compute Project’s Data Center Facilities ...
GreenOps with Greenpixie
10 Apr 2025
Contributed by Lukas
Host Chris Adams sits down with James Hall, Head of GreenOps at Greenpixie, to explore the evolving discipline of GreenOps—applying operational prac...
The Week in Green Software: Data Centers, AI and the Nuclear Question
03 Apr 2025
Contributed by Lukas
Host Anne Currie is joined by the seasoned Chris Liljenstolpe to talk about the latest trends shaping sustainable technology. They dive into the energ...
Backstage: Green Software Patterns
27 Mar 2025
Contributed by Lukas
In this episode, Chris Skipper takes us backstage into the Green Software Patterns Project, an open-source initiative designed to help software practi...
The Week in Green Software: Sustainable AI Progress
20 Mar 2025
Contributed by Lukas
For this 100th episode of Environment Variables, guest host Anne Currie is joined by Holly Cummins, senior principal engineer at Red Hat, to discuss t...
AI Energy Measurement for Beginners
06 Mar 2025
Contributed by Lukas
Host Chris Adams is joined by Charles Tripp and Dawn Nafus to explore the complexities of measuring AI's environmental impact from a novice’s starti...
The Week in Green Software: Transparency in Emissions Reporting
27 Feb 2025
Contributed by Lukas
For this episode of TWiGS, Chris and Asim discuss the latest developments in emissions reporting, AI energy efficiency, and green software initiatives...
How to Tell When Energy is Green with Killian Daly
20 Feb 2025
Contributed by Lukas
In this episode, host Chris Adams is joined by Killian Daly, Executive Director of EnergyTag, to explore the complexities of green energy tracking and...
Backstage: Impact Framework
13 Feb 2025
Contributed by Lukas
This episode of Backstage focuses on the Impact Framework (IF), a pioneering tool designed to Model, Measure, siMulate, and Monitor the environmental ...
Backstage: Carbon Aware SDK
23 Jan 2025
Contributed by Lukas
In this episode, we go behind the scenes of the Carbon Aware SDK, a groundbreaking tool enabling developers to reduce software emissions by running wo...
Deep Green Technologies
16 Jan 2025
Contributed by Lukas
In this episode of Environment Variables, host Chris Adams sits down with Mark Bjornsgaard of Deep Green to explore a transformative approach to data ...
Finding Signal Amongst the Noise in Carbon Aware Software
09 Jan 2025
Contributed by Lukas
In this episode of Environment Variables, host Chris Adams is joined by Tammy Sukprasert, a PhD student at the University of Massachusetts Amherst, to...
The Cloud and the Climate: Navigating AI-Powered Futures
19 Dec 2024
Contributed by Lukas
Environment Variables host Chris Adams is joined by Jo Lindsay Walton, a senior research fellow at the Sussex Digital Humanities Lab and co-author of ...
Green Networking with Carlos Pignataro
12 Dec 2024
Contributed by Lukas
In this episode of Environment Variables, Anne Currie welcomes Carlos Pignataro, a leading expert in sustainable network architecture, to explore how ...
The Quantum Entanglement of Software Sustainability with Wilco Burggraaf
05 Dec 2024
Contributed by Lukas
In this episode of Environment Variables, host Anne Currie speaks to Wilco Burggraaf, a lead green practitioner and architect at HighTech Innovators, ...
The Week in Green Software: Powering AI on Atomic Energy
28 Nov 2024
Contributed by Lukas
TWiGS host Anne Currie is joined by Stefana Sopco, Marketing Manager at PortXchange and a passionate climate activist, for an insightful discussion on...
The Week in Green Software: Wooden Data Centers
21 Nov 2024
Contributed by Lukas
This Week in Green Software, host Chris Adams and Asim Hussain, Executive Director of the GSF discuss the latest developments in sustainable software,...
Shaping Web Sustainability with the W3C
14 Nov 2024
Contributed by Lukas
In this episode of Environment Variables, host Chris Adams dives into the evolving landscape of sustainable web development with Alexander Dawson and ...
Backstage: Awesome Green Software
07 Nov 2024
Contributed by Lukas
In this episode of Backstage, we go backstage with the Awesome Green Software (AGS) project, a pioneering initiative from the Green Software Foundatio...
Remembering Abhishek Gupta: How does AI and ML Impact Climate Change?
17 Oct 2024
Contributed by Lukas
In this episode, we honor the memory of Abhishek Gupta, who was an instrumental figure in the Green Software Foundation and a Co-Chair of the Standard...
Backstage: TOSS Project
10 Oct 2024
Contributed by Lukas
In this episode of Environment Variables, host Chris Skipper introduces "Backstage," a new segment offering behind-the-scenes insights into the Green ...
The Week in Green Software: The Sustainable Data Paradox
03 Oct 2024
Contributed by Lukas
This Week in Green Software, the affable Anne Currie is joined by Sara Bergman, Senior Software Engineer at Microsoft and co-author of Building Green ...
Electricity Maps
26 Sep 2024
Contributed by Lukas
Host Chris Adams sits down with CEO Olivier Corradi and Tech Lead Íngrid Munné Collado of Electricity Maps, a company that leverages data to enable ...
The Week in Green Software: Obscuring AI's Real Carbon Footprint
19 Sep 2024
Contributed by Lukas
Host Chris Adams is joined by Asim Hussain to dive into The Week in Green Software, exploring the environmental impacts of artificial intelligence and...
Making Testbeds for Carbon Aware Computing
12 Sep 2024
Contributed by Lukas
Host Chris Adams is joined by special guest Philipp Wiesner, a research associate and PhD student at TU Berlin, to discuss how computing systems can b...
Academic Forefronts
05 Sep 2024
Contributed by Lukas
This week we are joined by two PhD researchers, Silke Kaiser and Chiara Fusar Bassini, from the Hertie School in Berlin. With host Chris Adams they di...
Green Software with Gaël Amongst the Whales
22 Aug 2024
Contributed by Lukas
TWiGS host Chris Adams is joined once again by Gaël Duez to discuss the latest news in green software around AI. They discuss insights from recent re...
A Greener Internet that Sleeps More
25 Jul 2024
Contributed by Lukas
Host Chris Adams and guest Romain Jacob delve into the often-overlooked energy demands of networking infrastructure to discover A Greener Internet tha...
The Week in Green Software: Tackling the Energy Challenges of AI
18 Jul 2024
Contributed by Lukas
Producer Chris Skipper is joined by guests Marjolein Pordon of ladylowcode.com fame and Andri Johnston from Cambridge University Press & Assessmen...
Preview: CXO Bytes
11 Jul 2024
Contributed by Lukas
In this episode we preview the first episode of CXO Bytes. Join host Sanjay Podder as he talks to leaders in technology, sustainability, and AI in the...
The Week in Green Software: AI’s Power Problem
04 Jul 2024
Contributed by Lukas
In this episode of Environment Variables, host Chris Adams is joined by Asim Hussain to dive into the complexities of AI's growing energy demands and ...
The Week in Green Software: FinOps, GreenOps and the Cloud
20 Jun 2024
Contributed by Lukas
On this episode of TWiGS, host Anne Currie is joined by Navveen Balani of Accenture and fellow GSF member. This conversation navigates the landscapes ...
The Week in Green Software: Carbon Hack 24 Recap
13 Jun 2024
Contributed by Lukas
TWiGS host Chris Adams is joined by Asim Hussain the executive director of the GSF to talk about the recent hackathon hosted by the GSF : Carbon Hack ...
The Week in Green Software: Building Green Software 2
30 May 2024
Contributed by Lukas
In this episode of the TWiGS, host Chris Adams welcomes back Anne Currie, Sara Bergman, and Sarah Hsu, authors of the book Building Green Software. Th...
Environment Variables Year Two Roundup
23 May 2024
Contributed by Lukas
Join us for a special episode of Environment Variables as we celebrate over a year two years of bringing you the best insights on Green Software! In t...
Greening Software Procurement
09 May 2024
Contributed by Lukas
Joining Chris Adams today is Mike Gifford, an accessibility and open web veteran, to look at the drivers adopting digital sustainability in the indust...
Community Publishing and Greening Software
02 May 2024
Contributed by Lukas
In this episode of Environment Variables, host Chris Adams explores the theme of Community Publishing and Greening Software, by talking to Branch Maga...
Building Green Software
11 Apr 2024
Contributed by Lukas
In this episode of Environment Variables, host Chris Adams introduces the co-authors of Building Green Software - Anne, Sara, and Sarah. Through candi...
Greening Low Code
04 Apr 2024
Contributed by Lukas
In this episode of Environment Variables, host Chris Adams engages in a fascinating discussion with Marjolein Pordon, a quality consultant at Praegus,...
Greening Digital and the Rebound Effect
28 Mar 2024
Contributed by Lukas
In this episode of Environment Variables, host Chris Adams delves into the fascinating topic of the rebound effect with Vlad Coroamă, founder of the ...
Nowcasting and Using Computers to Reduce Emissions
21 Mar 2024
Contributed by Lukas
In this episode of Environment Variables, host Chris Adams is joined by Rachel Tipton, a full stack developer at Open Climate Fix, to delve into the i...
AI Legislation
02 Mar 2024
Contributed by Lukas
This week, Chris Adams is joined by Asim Hussain and Anne Currie for an engaging chat on the present and future of legislation around AI and Green Sof...
Greening Serverless
16 Feb 2024
Contributed by Lukas
Chris Adams is joined by special guest Kate Goldenring, Senior Software Engineer at Fermyon. Together, they ask the real questions “is serverless co...
Carbon Hack 2024 Announcement
14 Feb 2024
Contributed by Lukas
We're gearing up for the return of Carbon Hack 24 happening from March 18 to April 8, 2024. This year we're focusing on the Impact Framework, aiming t...
The Week in Green Software: Embodied Carbon
01 Feb 2024
Contributed by Lukas
This Week in Green Software, host Chris Adams is joined by Gabi Beyer and Brendan Kamp from re:cinq to talk about the recent initiatives to and conseq...
The Week in Green Software: CNCF TAG Environmental Sustainability
25 Jan 2024
Contributed by Lukas
Join TWiGS host Chris Adams in talking to Kristina Devochko, tech lead of the Environmental Sustainability TAG at the Cloud Native Computing Foundatio...
BETA Impact Framework
18 Jan 2024
Contributed by Lukas
Asim Hussain is joined by guests Srini Rakhunathan and Navveen Balani, the technical leads on the Impact Framework. They delve into how this innovativ...
Cloud Footprints with CCF
11 Jan 2024
Contributed by Lukas
Host Chris Adams is joined by Arik Smith and Cameron Cash from Thoughtworks in this episode of Environment Variables. Together they discuss the Cloud ...
Driving Climate Change Solutions with AI
04 Jan 2024
Contributed by Lukas
In this episode we take a look back at another talk from our Decarb 2023 Event while we’re all on the New Year break at the GSF. Titled Driving Clim...
The Week in Green Software: Google, Grids & Green Software
28 Dec 2023
Contributed by Lukas
TWiGS host Chris Adams is joined by guest Savannah Goodman from Google, to bring you the latest news and updates from the world of sustainable softwar...
Responsible AI
21 Dec 2023
Contributed by Lukas
From the recent Decarbonize Software 2023 event, this episode showcases a fireside chat on Responsible AI with Tammy McClellan from Microsoft and Jess...
Decarbonize Software 2023: Recap
14 Dec 2023
Contributed by Lukas
Chris Skipper hosts this episode of Environment Variables with guests Sophie Trinder and Adam Jackson to discuss the unveilings, questions, and highli...
The Week in Green Software: Greening the Front End
07 Dec 2023
Contributed by Lukas
Chris Adams is joined by Ines Akrap from Cognizant to talk all-things sustainable web design. Together, they delve into the nuances of designing energ...
Introducing the Impact Framework
30 Nov 2023
Contributed by Lukas
In this episode of Environment Variables, we dive into a key highlight from Decarbonize Software 2023, featuring Asim Hussain's talk on the Green Soft...
The Week in Green Software: Modeling Carbon Aware Software
23 Nov 2023
Contributed by Lukas
This Week, host Chris Adams is joined by TU Berlin researcher Iegor Riepin to talk about the benefits - and trade-offs - associated with load shifting...
The Week in Green Software: Greening Web Standards at the W3C
09 Nov 2023
Contributed by Lukas
TWiGS host Chris Adams is joined by special guests, Anne Faubry and Alexander Dawson of the W3C Community Group. This week, they discuss the Web Susta...
The Week in Green Software: Mapping Green Software on the Grid
02 Nov 2023
Contributed by Lukas
TWiGS host Chris Adams is joined by special guest Tony van Swet from Electricity Maps, to talk about the mapping of the carbon intensity of electricit...
The Week in Green Software: New Research Horizons
26 Oct 2023
Contributed by Lukas
This Week in Green Software has Dr. Daniel Schien from the University of Bristol, UK, joining host Chris Adams to talk about old research, recent news...
The Week in Green Software: Net Zero Cloud
19 Oct 2023
Contributed by Lukas
This week, join host Chris Adams in a conversation with Tereze Gaile, global Sustainability SME at MuleSoft, a Salesforce company. Together they cover...
The Week in Green Software: Automating the Software Carbon Index
12 Oct 2023
Contributed by Lukas
This Week in Green Software brings a conversation with Arne Tarara, CEO of Green Coding Berlin. Join host Chris Adams as they discuss the new programm...
Decarbonize Software 2023 Preview with Namrata Narayan
05 Oct 2023
Contributed by Lukas
Join Chris Skipper and this week’s guest Namrata Narayan in discussing the upcoming Decarbonize Software 2023 event taking place this November, as w...
The Week in Green Software: Cleaner Energy with Molly Webb
28 Sep 2023
Contributed by Lukas
TWiGS host Chris Adams is joined by guest Molly Webb from Energy Unlocked for another week in Green Software. In this episode, follow their conversati...
Sci-Fi Fantasies with Anne Currie and Jo-Lindsay Walton
21 Sep 2023
Contributed by Lukas
Joining host Anne Currie, is Jo Lindsay Walton, a research fellow in Arts, Climate, and Technology at the University of Sussex. Together they will exp...
Decarbonize Software 2023 Preview with Adam Jackson
14 Sep 2023
Contributed by Lukas
Decarbonize Software 2023:Decarb.greensoftware.foundation 👈 REGISTER HERE Learn more about our people:Adam Jackson: LinkedIn Chris Skippe...
The Week in Green Software: Complex Carbon Accounting with Gaël Duez
07 Sep 2023
Contributed by Lukas
On this episode of Environment Variables, Chris Adams is joined by fellow podcast host of the Green IO podcast Gaël Duez. Together they will cover th...
We Answer Your Questions Part 2
16 Aug 2023
Contributed by Lukas
Host Chris Adams is joined by executive director of the Green Software Foundation, Asim Hussain as they dive into another mailbag session, bringing yo...
The Week in Green Software: Green Kernels
10 Aug 2023
Contributed by Lukas
In this episode of TWiGS we delve into the intricate world of measuring software energy consumption, a topic vital for reducing our carbon footprint. ...
The Week in Green Software: Carbon Aware Spatial Shifting
26 Jul 2023
Contributed by Lukas
Host Chris Adams is joined by Niki Manoledaki of Grafana and Ross Fairbanks of Flatpeak in this edition of TWiGS focused on Carbon Aware Spatial Shift...
The Week in Green Software: Open Data with Fershad Irani
19 Jul 2023
Contributed by Lukas
In this episode of Environment Variables Chris Adams is joined by Fershad Irani, an independent web sustainability consultant and maintainer of CO2.js...
The Week in Green Software: Data Center LCA with Stani Borisová
12 Jul 2023
Contributed by Lukas
This episode of The Week in Green Software, features guest Stani Borisová; Expert in Life Cycle Management at IVL and former researcher at RISE Swede...
We Answer Your Questions!
05 Jul 2023
Contributed by Lukas
On this episode of Environment Variables, host Chris Adams is joined by Asim Hussain as they dive into a mailbag session, bringing you the most burnin...
Environment Variables One Year Round Up
29 Jun 2023
Contributed by Lukas
Join us for a special episode of Environment Variables as we celebrate over a year of bringing you the best insights on Green Software! From open sour...
The State of Green Software Survey with Tamara Kneese
21 Jun 2023
Contributed by Lukas
In this episode of Environment Variables, we cover the State of Green Software Report with the Green Software Foundation’s very own lead researcher ...
The Week in Green Software: Code Green and Clean Power
14 Jun 2023
Contributed by Lukas
Joining host Chris Adams on this episode of TWiGS is Nina Jabłońska, operations coordinator at Energy Tag and a master's student in sustainable ener...
The Week in Green Software: Open Source Innovations with Tom Greenwood
07 Jun 2023
Contributed by Lukas
TWiGS host Chris Adams is joined by special guest Tom Greenwood from Wholegrain Digital, to bring you the latest news and updates from the world of su...
Fact Check: Colleen Josephson, Miguel Ponce de Leon & AI Optimization of the Environmental Impact of Software
31 May 2023
Contributed by Lukas
This episode of Fact Check we ask the question, can AI always help us optimise the environmental impact of software? Host Chris Adams is joined by VMW...
The Week in Green Software: DIMPACT with Andri Johnston
24 May 2023
Contributed by Lukas
Host Chris Adams is joined by Andri Johnston, Digital Sustainable Lead for Cambridge University Press and Assessment as they talk about using DIMPACT ...
The Week in Green Software: AWS & Scope 3 Emissions Data
17 May 2023
Contributed by Lukas
Host Chris Adams is joined by the GSF’s Asim Hussain on this episode of The Week in Green Software. They discuss some interesting news about Amazon,...