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Green IO

Gaël Duez

Green IO with Gaël Duez explores how to reduce the environmental impact of our digital world. Twice a month, on a Tuesdays guests from across the globe share insights, tools, and alternative approaches, enabling all responsible technologists, within the Tech sector and beyond, to build a greener digital world, one byte at a time.

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  • 20 episodes
  • Avg 55 min
  • English

Episodes 20

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  • S4 · E79
    May 19 · 57 min

    AI & Sustainability: follow the money! with Boris Gamazaychikov and Sasha Luccioni | #79

    What if the biggest barrier to sustainable AI isn't carbon — it's the economics? ... again! On today's episode of Green IO, Gaël is joined by Boris Gamazaychikov and Sasha Luccioni, two leading voices at the intersection of AI, energy, and sustainability, who recently left their roles at major tech companies to tackle these questions head-on. Together they unpack the financial architecture driving the AI infrastructure boom — and why understanding the money is the key to understanding everythin

  • S4 · E78
    May 5 · 55 min

    Can AI be applied for Sustainability? It’s complicated… with Jeremy Tamanini | #78

    Is AI genuinely helping us build a more sustainable world — or are we papering over inconvenient trade-offs with a shiny new tool? On today's episode of Green IO, Gaël is joined by Jeremy Tamanini, a researcher and consultant who has spent years investigating applied AI for sustainability use cases. Jeremy brings a refreshingly grounded perspective to one of the most hyped conversations in tech: can AI actually move the needle on environmental and social outcomes, or does the framing of "AI for

  • S4 · E77
    April 13 · 54 min

    The dilemma of using AI for sustainable software engineers, with Natasha Ann Lum | #77

    Do software engineers still have the choice of not using AI? The numbers speak volumes and the short answer is ...no. For the environmentally-aware developer, this is a daily dilemma. In this episode of Green IO, Gaël is joined by Natasha Ann Lum, co-founder of the RagTech podcast and MC at Green IO Singapore 2026. She practices AI-assisted coding every day. But here’s the catch - she’s doing so by ‘embracing the discomfort of AI’, warts and all. That means jumping in, finding the relevant use

  • S4 · E76
    March 24 · 1 hr

    Shifting Social Norms in Sustainability Leadership, with Andrea Learned | #76

    You don’t have to be a CEO to have a lot of influence. In fact, you can effect much more change that you might realise… On today’s episode of Green IO, Gaël is joined by Andrea Learned, a renown communications strategist who’s using her skills to revolutionise the conversation around sustainability. Andrea’s specialty is climate leadership - but that doesn’t mean her insights are exclusive to the C-Suite. As she explains it, all of us have the power to impact our professional workspaces and comm

  • S4 · E80
    February 24 · 1 hr 7 min

    Streaming, Networks and Sustainability, with Dom Robinson | #74

    Does it really make sense to measure carbon per gigabyte? Or should we be adapting our sustainability metrics to focus on more meaningful elements of the digital streaming supply chain? Here to discuss many common misconceptions around network energy consumption, is Dom Robinson. Dom is the founder and CSO at Greening of Streaming, an organisation brining together tech providers and media companies with the aim of reducing our environmental impact. He’s steadfast in his belief that we can bett

  • S4 · E79
    February 10 · 1 hr 17 min

    #73 Gerry McGovern vs the Growth Death Cult

    We’re facing an existential environmental threat - but is there enough time to fight back against the increasing momentum of tech-related planetary collapse? That’s the 8 billion-person question. And here to help us answer it is a returning Gerry McGovern, back to share everything he’s learned during the making of his new book, ‘99th Day: A Warning About Technology’. Throughout this insightful discussion, Gaël and Gerry wrestle with a central thought: Does technological advancement automatical

  • S4 · E78
    January 27 · 50 min

    #72 Green IO Paris 2025: Making Sustainability Easy to Discover with Chris Adams

    Sustainability data isn’t just for the marketing department - it’s becoming an increasingly important element for regulatory compliance.So how easy is it for your business to report and that information?On today’s special episode (recorded live at Green IO Paris), Gaël is joined by Chris Adams, Director of Tech and Policy at the Green Web Foundation. He’s here to tell us about carbon.txt, a new tool from the GWF that aims to make sustainability data transparent, easy to share and verify. Hopeful

  • S4 · E77
    Dec 23, 2025 · 1 hr 2 min

    #71 Software and Hardware Challenges Manufacturing Sustainable Smartphones with Agnes Crepet

    How hard is it to make a mobile phone that’s low on environmental impact and big on ethics? Perhaps a radical idea to some, but that’s one of the main aims of Faiphone, a mobile phone maker that’s all about creating systemic change from within the industry. And as Fairphone Tech Lead Agnes Crepet explains, this goal isn’t just a lofty ambition, but something that is actually being achieved thanks to the participation of chipset makers, suppliers, factories, software vendors and everyone in bet

  • S4 · E76
    Dec 3, 2025 · 53 min

    # 70 Sustainability: A Strategic Advantage, (Not Just a Cost), with Sathpal Singh and Jo Masraff

    It’s time that we reframe sustainability as a criterion for success, not just a checkbox on a regulatory report. And on today’s episode of Green IO, Gaël is joined Jo Masraff and Sathpal Singh, two domain experts who demonstrate how changing our approach to sustainability can be a key difference maker for businesses across any industry. Jo and Sath also discuss the key findings from the recent Digital Product Sustainability Pulse Report, along with what they’ve seen in the field first hand, and

  • S4 · E75
    Nov 18, 2025 · 52 min

    #69 Big Tech carbon emissions by the millions with Cathleen Berger

    They say that numbers don’t lie… but what if we are looking at the wrong numbers to begin with? On today’s episode of Green IO, Gaël is joined by Cathleen Berger who is here to help us decipher why accurate emissions reporting is so crucial, and why Big Tech continues to make big mistakes when it comes to the figures they release. Because as the former Head of Sustainability at Mozilla, a lecturer at the Friedrich Schiller University and the head of research and policy for the Deputy Chair on

  • S4 · E74
    Nov 4, 2025 · 1 hr 18 min

    #68 A dive into every GenAI rabbit hole with Wilco Burggraaf and Mark Butcher

    Over the last 3 months, several studies were published about GenAI and its environmental footprint. The most famous are Mistral AI’s life cycle analysis and Google’s study on Gemini. The opportunity and the conclusions of the Gemini prompt study were heavily debated in the Green IT field, including by two of the most respected thought leaders: Mark Butcher and Wilco Burggraaf. This Green IO episode is thus a first: the first ever debate. A polite, constructive and yet incredibly insightful debat

  • S4 · E73
    Oct 21, 2025 · 44 min

    #67 Can we be optimistic about AI sustainability? With Iuna Tsyrulneva

    The potential impact of Artificial Intelligence on our worsening climate crisis is certainly a hot topic, pardon the pun. Fortunately, we have an expert on today’s show to help us make sense of it all. Iuna Tsyrulneva is one of the leading voices in AI and sustainability. Well versed on both topics, Iuna holds a PhD in materials science, and works at Earth Observatory of Singapore with an interdisciplinary approach. She’s full of interesting insights, and brings a dynamic approach to thinking a

  • S4 · E72
    Oct 8, 2025 · 1 hr 1 min

    #66 Data Centers and Water in the US: a Complex Story with Mohammad Islam and Shaolei Ren

    “We're living under a water stressed world. Maybe not today, but a certain time of the year.” This new reality stated by Dr Shaolei Ren questions both the resiliency and the water footprint of the data center industry. In this episode we bring an academic perspective on these questions with two of the most renowned experts in the field, Dr Shaolei Ren and D’ Mohammad Islam. They conducted an intensive survey in the US and shared many insights about the water consumption of data centers with the

  • S4 · E71
    Sep 30, 2025 · 26 min

    #65 Green IO London 2025 special episode in collaboration with Architect Tomorrow

    Today, we don’t have 1 or 2 guests but 10! In partnership with the YouTube channel Architect Tomorrow, we are glad to share with you snippets and interviews of the speakers who made the latest Green IO Conference in London a huge success last week. The audio quality has improved since last year but is still perfectible. Except for this, I hope you’ll enjoy this episode as much as we enjoyed crafting Green IO London 2025 for its attendees.

  • S4 · E70
    Sep 16, 2025 · 55 min

    #64 Why we hate recycling with Elaine Brown and Ross Cockburn

    Elaine and Ross hate recycling. Both know first hand about our computers’ and smartphones’ life. About the wasted opportunities to better use the precious resources into it. Elaine Brown is the CEO of the Edinburgh Remakery who refurbished 295 laptops last year. She’s also a keen expert on the right to repair issues. Ross Cockburn is the Trustee of Reusing IT who has been dealing with repaired devices from Africa to Ukraine over the last 25 years. Gael Duez sat down with them to cover multiple

  • S4 · E69
    Sep 9, 2025 · 35 min

    #63.b AI & Energy Efficiency: just follow the money? with Anne Currie

    Anne Currie is the co-author of the acclaimed O’Reilly book “Building Green Software”, a pillar of the GSF, a veteran in the Cloud Industry and also a SF novelist with her series of panopticon books. Preparing her forthcoming keynote at Green IO London, she went all the way down into the rabbit hole of AI and energy efficiency. She investigated from OpenAi to DeepSeek and open source models, what a software developer using these models can and cannot do to reduce energy consumption, and so on.

  • S4 · E68
    Sep 2, 2025 · 41 min

    #63a AI & Energy Efficiency: why was DeepSeek a defining moment? with Anne Currie

    Anne Currie is the co-author of the acclaimed O’Reilly book “Building Green Software”, a pillar of the GSF, a veteran in the Cloud Industry and also a SF novelist with her series of panopticon books. Preparing her forthcoming keynote at Green IO London, she went all the way down into the rabbit hole of AI and energy efficiency. She investigated from OpenAi to DeepSeek and open source models, what a software developer using these models can and cannot do to reduce energy consumption, and so on.

  • S4 · E67
    Aug 18, 2025 · 49 min

    #62 Thirsty datacenters in the heart of Silicon Valley with Masheika Allgood

    A month ago, Google released its 2024 sustainability report. Its overall water consumption increased by 28% in a year. Less publicized than the data center energy boom, water is also pivotal for the Tech industry and data is even scarcer. To better understand this secret but serious love affair between big tech and water, what better location to investigate than its birth place? Yes. THE silicon valley. And no one there is better qualified to explore the topic than Masheika Allgood who lives

  • S3 · E66
    Jul 8, 2025 · 49 min

    #61 Scaling Green Software with Anita Schüttler

    What does it take to go beyond raising awareness in green software? To avoid checking just boxes? What is required to scale green software practices in a company? To discuss these issues, Gaël Duez welcomes Anita Schüttler on this episode “from the trenches”. Anita is a seasoned software engineer and expert on digital sustainability. She works as Head of Sustainability at IT company neuland. Besides, she is a co-chair of the German Bundesverband Green Software, an auditor for the Blue Angel fo

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