Ctrl+Alt Sustain brings together voices from across sustainability and technology. This is a platform for knowledge sharing and empowering advocacy, no matter your scale or experience. You can expect wide ranging conversations on all things sustainable from a large range of global experts and our own GDSA members. These conversations are vital, with practical use for anyone interested in protecting our climate, ecosystems and planet.
Ctrl+Alt Sustain is the official podcast of the Government Digital Sustainability Alliance. We unite UK government bodies with over 90 technology companies and academic institutions to drive sustainability in technology forward. To learn more about us and get involved, please see our website: https://www.gov.uk/government/groups/government-digital-sustainability-alliance-gdsa#aims-and-objectives-of-the-gdsa
The UK's digital inequality problem with the Good Things Foundation
In this episode of Ctrl+Alt Sustain, Emily and Felix explore Britain's shockingly prevalent digital inequality with the Good Things Foundation director of business development, James Muscat-Sharp. The leading digital inclusion charity in the UK, they have found that 15% of the adult population lacks foundational tech skills, significantly harming their ability to participate in our digitally centred society. Tune in to learn the extent of our digital inequality problem, and what we can do about it.
10 Sept 2026
Sustainable data centres and urban mining with Diego Bermudez
In this episode we welcome back the DICE network to explore two of the hottest topics in digital sustainability: data centres and urban mining. Diego Bermudez, out guest and the network’s impact and research fellow, is one of the leading circularity researchers in this area. Tune in to learn from the most cutting edge techniques and precedent issues in digital sustainability today.
7 Aug 2026
How to transition the UK to a circular economy with Walter Stahel
Emily and Felix continue their conversation with the incredible Walter Stahel, the leading figure of the circular economy movement for over fifty years. In this second half of our two parter with the academic, consultant and advocate we tackle what action is needed for the UK to move away from a linear economy, in particular in regards to the tech sector. Get your pen and paper out, because this is a rare opportunity for anyone passionate about sustainability to learn concrete, tangible strategies from one of sustainability’s most influential minds.
9 Jul 2026
Circular economy masterclass with Walter Stahel
Join Emily and Felix as they explore the state of the circular economy with its founding father, Walter R. Stahel. As the most internationally celebrated researcher, advocate and consultant for circular business for over fifty yeas, there is no one better to learn from at this crucial moment in sustainability. In part one of this two episode series, you can expect to hear all about Walter’s amazing journey, his views on the current state of our world and his practical advice to businesses and citizens who want to reduce their environmental and social impacts while saving money.
4 Jun 2026
An internet free of fossil fuels with Hannah Smith
Switching to renewables as the source for powering IT products, services and infrastructure brings a huge range of benefits alongside the environmental. However, making it happen is another matter. With the ongoing AI boom, fossil fuel usage is exploding and will only grow if nothing is done. This is the problem the GWF was set up to tackle.
Hosts Emily Watson-Breeze and Felix Chadwick-Histed delve into their unique approach as an organisation, giving the industry tools to tangibly improve transparency while campaigning for change. And, as the standard bearers for this cause, you can expect to hear all about what insights the GWF have for aspiring advocates seeking to bring a positive change to the greatest technology of our time - both locally and at international scale.
7 May 2026
Circularity's research engine with Professor Fiona Charnley
Without research leading the way, sustainability efforts can be blind. As director of the DICE Network+, Fiona oversees a large team of researchers and change makers at the cutting edge of the circular economy in the UK and beyond. Her team is one of the leading voices in growing the space with research, knowledge sharing and expertise.
Tune in to hear inspiring success stories, the bleeding edge of circularity and practical advice for technology decision makers everywhere.
7 Apr 2026
Lessons from sustainability leadership with Chris Howes
Chris Howes, recent CDIO of DEFRA and head of digital sustainability for The UK Government, shares his journey in sustainability over the past 40 years and lessons he has learnt on the way. As founder of the GDSA and a storied driver of change in the UK for digital sustainability, Chris reflects upon the landscape of the past, present and future as well as sharing practical actions for government, businesses and citizens to reduce the impact of technology upon our planet and people.
8 Mar 2026
Thinking big with Mike Berners-Lee
Internationally celebrated author, researcher and activist Mike Berners-Lee joins Emily and Felix for a wide-ranging discussion on footprints, practical sustainability advice and the broader state of our anthropocentric world. Hot off the heels of an incredible keynote speech at our GDSA Summit, his advice for sustainability advocates and IT workers is powerful - a thesis driven by decades of research and ground breaking real-world advocacy at a societal level.
No matter your experience or seniority, Mike gives real, practical steps we can all take in this crucial moment for our society and planet.
10 Feb 2026
Circularity deep-dive with Catherine Weetman
Circularity is one of the cornerstones of sustainable business and consumption. In this episode with Catherine Weetman of Rethink Global and the Circular Economy podcast, we explore the subject from zero to hero and see what successful adoption can look like from across every corner of modern business.
As ever, we plumb Catherine’s unique visibility of a mind-boggling array of case studies for practical, realistic steps you can take to introduce a circular way of buying, operating and selling.
13 Jan 2026
Storytelling for sustainability with BAFTA & Emmy winning filmmaker Toby Strong
Toby Strong is one of the most impactful environmental storytellers alive today. His iconic body of work has touched the hearts of untold millions, fostering advocacy for sustainability all over the globe and achieving real positive change. From the Blue, Frozen and Human Planet series with Sir David Attenborough to the recently released Ocean, Toby has laid down the blueprint for how to draw attention to sustainability.
In this first episode of Ctrl+Alt Sustain, we explore how Toby has accomplished these incredible impacts and what we can all do emulate his success. Alongside some incredible stories that can only come from someone as adventurous as Toby, you can expect to learn how to galvanise change in your own life - whether you are already a dedicated activist or simply having conversations at the dinner table.
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