In this episode of Environment Variables, host Chris Adams dives into the evolving landscape of sustainable web development with Alexander Dawson and Tzviya Siegman from the World Wide Web Consortium (W3C). Dawson and Siegman discuss the W3C’s efforts to develop Web Sustainability Guidelines (WSG), a comprehensive set of evidence-based practices aimed at reducing the environmental impact of web technologies. They explore the creation and potential impact of these guidelines, especially as global interest grows in embedding sustainable practices within web standards. The episode also covers the challenges of driving adoption across public and private sectors, the role of testability in sustainability guidelines, and future directions for standards that minimize digital carbon footprints. This engaging conversation provides listeners with insights into how W3C’s sustainability initiatives could shape the future of the web.

In this episode of Backstage, we go backstage with the Awesome Green Software (AGS) project, a pioneering initiative from the Green Software Foundation’s Open Source Working Group. Project leads Ahmad Antar and Abid Ali, along with contributor Josh Rauvola, share how AGS is building a centralized platform for developers to access tools, libraries, and frameworks to create greener, more sustainable software. They discuss the innovative tech behind AGS, the project’s progress toward launch, and its potential to make green software development accessible to organizations worldwide.

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 Standards Working Group. Abhishek's work was pivotal in the development of the Software Carbon Intensity (SCI) Specification, now adopted globally. His tireless efforts shaped the future of green software, leaving an indelible mark on the industry. As we remember Abhishek, we reflect on his legacy of sustainability, leadership, and friendship, celebrating the remarkable impact he had on both his colleagues and the world. We are airing an old episode that featured Abhishek Gupta, Episode 5 of Environment Variables. Where host Chris Adams is joined by Will Buchanan of Azure ML (Microsoft), Abhishek Gupta; the chair of the Standards Working Group for the Green Software Foundation and Lynn Kaack, assistant professor at the Hertie School in Berlin to discuss how artificial intelligence and machine learning impact climate change. They discuss boundaries, Jevons paradox, the EU AI Act, inferencing and supplying us with a plethora of materials regarding ML and AI and the climate!

In this episode of Environment Variables, host Chris Skipper introduces "Backstage," a new segment offering behind-the-scenes insights into the Green Software Foundation's key projects. The episode highlights the "Transforming Organizations for Sustainable Software" (TOSS) project, led by Pindy Bhullar, which aims to embed sustainable practices across all aspects of business operations. The TOSS framework, divided into four pillars—strategy, implementation, operations, and compliance—provides organizations with a decision tree approach to drive sustainability in software development and IT. With collaborative efforts, workshops, and real-time feedback, the project is set to release version 1.0, with the ultimate goal of reducing carbon emissions across the industry.

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 Software. Together, they dive into the complexities of sustainable data in relation to AI and cloud computing. They explore the environmental impact of managing and storing vast quantities of data, and question the feasibility of making these processes more eco-friendly. The discussion touches on cloud providers' carbon reporting, the importance of using AI responsibly, and how businesses can optimize their cloud use to minimize their environmental footprint. Tune in for an insightful conversation on balancing technological advancements with sustainability in the age of AI.

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 decarbonization of electricity grids. They discuss the complexities of carbon intensity data, the role of accurate forecasting in renewable energy, and how this data helps optimize electricity usage for sustainability. Olivier explains the origins of Electricity Maps, their goal of providing real-time carbon footprint insights, and their theory of change—targeting citizens, corporations, and institutions to create a greener future. Tune in to hear about the history, frontiers, and future of this engaging field.

Host Chris Adams is joined by Asim Hussain to dive into The Week in Green Software, exploring the environmental impacts of artificial intelligence and how the growing adoption of AI technology affects carbon emissions, as well as the growing complexities in the measurement and reduction of these. They discuss a primer on AI's direct environmental footprint, regulatory trends in Europe and the US, and the complexities surrounding the renewable energy credits tech companies use to offset emissions. The conversation touches on real-time cloud data initiatives, carbon accounting in AI, and the future challenges of balancing sustainability with technological innovation.

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 better align energy consumption with clean energy availability. Contributing to Project Vessim, Philipp explains how researchers are now able to model different energy consumption scenarios, from solar and wind power integration to the complexities of modern grids despite the scarcity of available testing environments. They discuss federated learning and its role in carbon-aware designs, along with challenges in tracking real energy savings. Tune in to learn about the future of carbon-aware computing and the tools being developed to help software become more sustainable.

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 discuss their use of data science and machine learning and how they are using them to tackle some of today’s most pressing environmental challenges. Silke shares insights into her research on predicting cycling traffic in cities to better inform urban planning and promote sustainable transport, while Chiara discusses her work on analyzing European energy data to support the renewable energy transition. Together, they explore the intersection of technology, data, and policy, highlighting the importance of data-driven decision-making in achieving sustainability goals.

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 reports by Google, Meta, and Amazon, as well as looking at the implementation of the GSF’s Software Carbon Intensity metric. Similarly, the conversation touches on the distribution of renewable energies and the use of different means of measuring carbon in reporting, and how this can affect the behavior of consumers and organizations alike. Tune in for an enlightening discussion on the latest in green software.

Host Chris Adams and guest Romain Jacob delve into the often-overlooked energy demands of networking infrastructure to discover A Greener Internet that Sleeps More. While AI and data centers usually dominate the conversation, networking still consumes significant power, comparable to the energy usage of entire countries. They discuss innovative practices to make the internet greener, such as putting networks to sleep during low usage periods and extending the life of hardware. Romain talks about his recent Hypnos paper, which won Best Paper at HotCarbon 2024. He shares his team’s award-winning research on how energy demand for networking kit powering the internet can be reduced by simply by powering down links when not in use.

Producer Chris Skipper is joined by guests Marjolein Pordon of ladylowcode.com fame and Andri Johnston from Cambridge University Press & Assessment to discuss the sustainability challenges associated with AI's increasing energy demands and the role of data centers in addressing these challenges. Marjolein emphasizes the need for sustainable infrastructure and the potential synergy between low-code platforms and AI. Andri shares insights from CUP&A's efforts to understand and mitigate digital carbon emissions, highlighting the importance of transparency and accurate reporting from cloud service providers like AWS.

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 their pursuit of a sustainable future through green software. Joined by Dr. Ong Chen Hui, Assistant CEO of Singapore's Infocomm Media Development Authority (IMDA), the discussion focuses on Singapore's comprehensive approach to digital sustainability. Dr. Ong highlights IMDA's efforts to drive green software adoption across various sectors, emphasizing the importance of efficiency in data centers and the broader ICT ecosystem. Listen to the full episode via the links below.

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 its environmental impact. They discuss innovative approaches to sustainability, such as using fungi to manage building waste in data centers and the potential for greener materials and practices. The conversation also covers software optimizations to reduce AI's carbon footprint, emphasizing that energy inefficiency cannot be outsourced. They highlight the importance of integrated sustainable practices in tech development, particularly in the face of increasing AI power consumption projections.

On this episode of TWiGS, host Anne Currie is joined by Navveen Balani of Accenture and fellow GSF member. This conversation navigates the landscapes of, and intersections between GreenOps, DevOps, and FinOps, as well as the vital role of Infrastructure as Code in marrying financial and ecological efficiencies in cloud operations. Lastly, they tackle the intersection of cybersecurity and AI development, emphasizing the need for green software principles to fortify AI systems while minimizing energy use.

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 24. Asim goes through some of his favourite projects that featured work with the Impact Framework including some surprising choices! They also cover some interesting news from the world of cloud service providers and the new CSDDD developments. Asim also talks about how mushrooms are out and bread is in!

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. They dive into the latest updates and hot topics at the intersection of sustainability and software engineering. The discussion highlights the importance of making software and hardware more efficient and explores cutting-edge topics like serverless computing on Kubernetes with WebAssembly, the circular economy for electronics, and the potential for dynamic pricing in cloud services based on renewable energy availability. The episode emphasizes the ongoing energy transition and the need for innovative solutions to reduce the carbon footprint of technology.

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 this episode, we explore the key insights and voices that have contributed to the weaving of sustainability through our conversations this year. Tune in for a refresher on the most interesting discussions on the progress, challenges, and future of green software development.

Joining Chris Adams today is Mike Gifford, an accessibility and open web veteran, to look at the drivers adopting digital sustainability in the industry, learn from the field of accessibility and inclusive design how we can further sustainable software development. Mike tells us about the wins from the accessibility movement that we can learn from in this engaging episode.

In this episode of Environment Variables, host Chris Adams explores the theme of Community Publishing and Greening Software, by talking to Branch Magazine’s Hannah Smith and Marketa Benisek. They discuss community publishing and the lessons learned from producing Branch Magazine, which supports sustainable digital practices and includes diverse voices from the Green Software Foundation. The discussion covers the complexities of adopting digital sustainability and how Branch Magazine, through its innovative, carbon-aware design, has been a platform for expressing these nuanced themes in sustainability and how finding beauty in the imperfect might just be the answer to all your problems!

In this episode of Environment Variables, host Chris Adams introduces the co-authors of Building Green Software - Anne, Sara, and Sarah. Through candid discussions, they explore the process of writing about green software development and highlight key insights gained along the way, touching on the interconnectedness between sustainability and existing best practices in software engineering, and emphasizing that embracing sustainability isn't about adding extra tasks but rather integrating it seamlessly into existing protocols such as security, resilience, and monitoring. Join for a thorough conversation on the lessons learnt writing the newest book on green software.

In this episode of Environment Variables, host Chris Adams engages in a fascinating discussion with Marjolein Pordon, a quality consultant at Praegus, about the exciting synergy between sustainability and low code platforms. They explore how low code tools not only streamline software development but also play a crucial role in reducing carbon emissions. Marjolein shares insights into the early integration of sustainability considerations in the development cycle, and together, they demystify the misconception that companies' unique needs necessitate custom software solutions, highlighting the efficiency and environmental benefits of leveraging shared components in low code environments.

In this episode of Environment Variables, host Chris Adams delves into the fascinating topic of the rebound effect with Vlad Coroamă, founder of the Roegen Center for Sustainability. They discuss how improvements in efficiency can sometimes paradoxically lead to increased consumption, using examples like teleworking and online shopping to illustrate the point. Through their conversation, they explore why this happens and what conditions make it more likely. Their insights shed light on the complexities of balancing technological advancement with environmental sustainability, offering valuable perspectives for anyone interested in building greener digital services.

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 intersection of AI, green software, and electricity infrastructure. Rachel emphasizes the increasing demand for electricity due to factors like server centers, EVs, and electrification efforts. They explore the concept of carbon awareness and its implications for software development, shedding light on the complexities of optimizing energy consumption and reducing carbon emissions. Through Rachel's journey into coding and her work at Open Climate Fix, listeners gain insights into the critical role of technology in decarbonizing the electricity grid and mitigating climate change.

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 Software. Our guests share their hot takes on various topics such as the usefulness of proxies in measurement. With backgrounds in climate and tech, and a future full of green energy, they share their insights into what we might expect, and hope for, from the future.

Chris Adams is joined by special guest Kate Goldenring, Senior Software Engineer at Fermyon. Together, they ask the real questions “is serverless computing the greener choice?” and “if so, under what circumstances is this true?” Tune in for an illuminating conversation on the current state, news, and future of green computing, digging into the topics of cloud computing, soft allocation, WebAssembly, and more.

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 to innovate how we measure the environmental impact of software. It's a chance for engineers, designers, and creators to dive into challenges, ranging from plugin development to non-technical content creation. We're inviting students too, with special categories just for them. Join us to push the boundaries of sustainable software. For details on how to register or to become a sponsor, check out the link below: Register at https://grnsft.org/hack/podcast 👈

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 consequences of the prolonging of the lifecycle of technology. The challenges of measuring carbon emissions in personal laptops and cloud services are discussed, highlighting the complexities of quantifying environmental impact, as well as companies reporting on these metrics. Tune in for a lively discussion on sustainable software development.

Join TWiGS host Chris Adams in talking to Kristina Devochko, tech lead of the Environmental Sustainability TAG at the Cloud Native Computing Foundation. Kristina shares her journey from economics to tech sustainability, and eventually joining this Technical Advisory Group. Further, they discuss the mission and projects of the group, as well as how anyone interested and willing is able to contribute. She elaborates on her experience of diving into this new field with no prior knowledge and acts as a reminder that no matter how scary it seems, you can do it too.

Asim Hussain is joined by guests Srini Rakhunathan and Navveen Balani, the technical leads on the Impact Framework. They delve into how this innovative tool effectively models, measures, simulates, and monitors the environmental impacts of software across various platforms. The conversation explores the framework's unique ability to handle diverse environments, from cloud systems to mobile devices, with an emphasis on the practicality and necessity of measuring software emissions accurately. Highlights include intriguing insights into integrating the Impact Framework with SCI Open Data and the future of green software development. This episode is packed with valuable information and thought-provoking discussions that offer a glimpse into the future of sustainable software.

Host Chris Adams is joined by Arik Smith and Cameron Cash from Thoughtworks in this episode of Environment Variables. Together they discuss the Cloud Carbon Footprint (CCF) tool and the role it plays in sustainable software development. Join this conversation as they nerd out together about the future of measuring carbon in the cloud, open source collaboration, and some cool posters in the background.

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 Climate Change Solutions with AI, Charlotte Degot of CO2 AI and Diana Dimitrova from Boston Consulting Group talk about the Third Annual Carbon Emissions Survey titled Why Some Companies are Ahead in the Race to Net Zero.

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 software development. They discuss insights from Google’s Sustainability report, the need for a fossil fuel free internet by 2030 and the importance of microgrids and nanogrids. They also highlight Google's sustainability tools including Cloud Region Picker, Active Assist and Carbon Footprint.

From the recent Decarbonize Software 2023 event, this episode showcases a fireside chat on Responsible AI with Tammy McClellan from Microsoft and Jesse McCrosky from ThoughtWorks. Jesse shares his thoughts and experiences from years of working in the field of Sustainable Tech on the topics of risks, sustainability, and more regarding AI, before answering some questions from the audience.

Chris Skipper hosts this episode of Environment Variables with guests Sophie Trinder and Adam Jackson to discuss the unveilings, questions, and highlights from the recent Decarbonize Software 2023 event. The GSF has announced its Impact Framework during the event that had taken place in November, and together with Chris, our guests discuss the realities of (and dreams for) the state of green software in this recap of Decarb 2023.

Chris Adams is joined by Ines Akrap from Cognizant to talk all-things sustainable web design. Together, they delve into the nuances of designing energy-efficient websites and the challenges of green coding in frontend development. Ines shares valuable insights from her experiences at the Linux Energy Foundation Summit and the SDIA Green Coding Summit. The episode also explores common mistakes in optimizing sites for carbon efficiency and discusses exciting projects in the field of green software that are generating buzz. Resources like Website Carbon, Ecograder, and Lighthouse are highlighted, alongside discussions on the Software Carbon Intensity Specification and the CarbonAware SDK. This episode is a must-listen for anyone interested in the intersection of web development and sustainability, offering practical tips and exploring new research horizons in the quest to decarbonize the digital world.

In this episode of Environment Variables, we dive into a key highlight from Decarbonize Software 2023, featuring Asim Hussain's talk on the Green Software Foundation's newly introduced Impact Framework. This innovative framework aims to model, measure, simulate, and monitor the environmental impacts of software. Asim begins with an insightful overview of the framework's capabilities and objectives. Later, project leads Srinivasan Rakhunathan and Navveen Balani join the discussion to delve deeper into its applications and potential. This episode offers an essential understanding of how the Impact Framework is set to revolutionize the way we assess and mitigate the ecological footprint of software development and use.

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 over both space and time. Together, they nerd out over the specifics, discuss numbers, and weigh alternative methods of computing with green energy all around the globe. Iegor and his team did a study alongside Google, where they modeled the entire European electricity grid in order to study the effects of different types of load shifting, and how it can be most efficiently applied to the world of Green Software.

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 Sustainability Guidelines as well as the Content Accessibility Guidelines. Web standards as specified by the World Wide Web consortium, play a huge role in shaping expectations about how the web is supposed to work, and for whom. This week’s guests talk about their respective roles in the W3C and in publishing the guidelines, as well as how they came to be part of the group. Listen in to learn more about the differences between standards and guidelines, and what the Web Sustainability Guidelines aim to achieve.

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 electricity grid. Tony shares some of the work that Electricity Maps has been doing to make it easier to understand how clean or dirty electricity is around the world, as well as how they’re making this data more accessible and usable to consumers. Join in on this candid conversation discussing the uses of such data and how to access it, as well as Tony talking about carbon intensity, open data, and open source.

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, and future prospects all revolving around digital sustainability. This conversation touches on some of the work Daniel has done in the past (and plans to do in the future) as well as their thoughts and reckons on this and how it can be used to steer our efforts towards a sustainable future. Together, they cover topics such as streaming being the new flying, and some ways in which new research has changed their perspectives on some problems in green tech.

This week, join host Chris Adams in a conversation with Tereze Gaile, global Sustainability SME at MuleSoft, a Salesforce company. Together they cover topics in sustainability from her organic sustainability role at MuleSoft, to various tools that are available to aid in the decarbonization of software. They touch on resources to help you learn important concepts and skills, how to bring sustainability into an organization, and much more on this episode of TWiGS.

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 programming language Mojo and its efficiency, as well as other news from the world of sustainable software development. Together they share their thoughts on progress in Grid Forecasting in order to reduce high-carbon electricity use, in particular a new announcement made by Apple in this field. Finally, Arne and Chris share what’s on their wishlist for green software in this latest episode of TWiGS.

Join Chris Skipper and this week’s guest Namrata Narayan in discussing the upcoming Decarbonize Software 2023 event taking place this November, as well as the role Namrata plays in the GSF. In this episode, they cover the relationships between different member organizations and their role in green software and how they can work toward the same goals in a competitive environment. They touch on how and where this year’s Decarb event will take place and even how it has been set up to reduce its own carbon footprint. Hear about the planned sessions of the day and how to register in this episode of Environment Variables.

TWiGS host Chris Adams is joined by guest Molly Webb from Energy Unlocked for another week in Green Software. In this episode, follow their conversation covering the latest G20 summit in New Delhi and a special announcement they made relating to renewable energy, a surprising move by Apple to now support Right to Repair and their reckons on the subject, as well as news from W3C’s first draft of Wed Sustainability Guidelines, and more. In this episode you can expect to be well informed on the going-ons of the past week and also upcoming events in sustainability and tech. Tune in for an open and exciting chat on The Week in Green Software.

Joining host Anne Currie, is Jo Lindsay Walton, a research fellow in Arts, Climate, and Technology at the University of Sussex. Together they will explore the dreams of a green future inspired by Science Fiction and the practicality of these as solutions to climate change. This adventure will cover interdisciplinary approaches to viewing and tackling climate change and green software from angles of technology, politics, and especially literature. The discussion will touch on the Digital Humanities Climate Coalition and it’s toolkit that can help researchers minimize their carbon footprint, and will revolve around the ASCEND programme as well as other opportunities and missions to attempt the clean and efficient use of data centers in environments like our moon, and the complexities of protecting and cooling the servers, and also the aspect of polluting the moon.

In this episode podcast producer for Environment Variables, Chris Skipper is joined by Adam Jackson, the Community Project Manager of the Green Software Foundation to speak about the upcoming Decarbonize Software 2023 Event happening on November 16th 2023. Adam also talks about his work in building green software communities globally, promoting meetups for the Green Software Foundation and his love for . To register to be part of Decarbonize Software 2023 click the link below!

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 the complexity of carbon accounting, new patents around carbon aware programming from Microsoft, and the flight of climate nerds from Twitter / X.com or whatever we’re calling it these days. Finally they share some exciting events from the world of Green Software including some upcoming events and we find out exactly why Gaël is a real-life bond villain!