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Artwork for Environment Variables

Environment Variables

Green Software Foundation
Green Software
Sustainability
Green Software Foundation
Data Centers
Renewable Energy
Carbon Emissions
Cloud Computing
Artificial Intelligence
Sustainable Software Development
Software Development
The Green Software Foundation
Energy Consumption
Impact Framework
Microsoft
Environmental Impact
Carbon Footprint
Energy Efficiency
Carbon Awareness
Digital Sustainability
Carbon Aware SDK

Each episode we discuss the latest news regarding how to reduce the emissions of software and how the industry is dealing with its own environmental impact. Brought to you by The Green Software Foundation.

Hosted on Acast. See acast.com/privacy for more information.

PublishesWeeklyEpisodes144Founded4 years ago
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Artwork for Environment Variables

Latest Episodes

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, a... more

YouTube

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 ... more

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 impa... more

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 eff... more

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Recent Guests

Aditya Manglik
Researcher/engineer contributing to green AI and energy benchmarking
Independent / Blufr Consulting (as introduced)
Episode: The Week in Green Software: CSRD and the SCI Standard
Aseem Hussain
Executive Director of the Green Software Foundation
Green Software Foundation
Episode: The Week in Green Software: Local AI & Lean Observability
Ryan Sholin
Strategic Account Manager and Advocacy Lead at Electricity Maps
Electricity Maps
Episode: The Week in Green Software: Energy effects of War in Iran
Florent Morel
Formerly head of the green IT program at Amadeus and co-creator of Carmen.
Amadeus
Episode: Backstage: Carmen
Joseph Cook
Head of R&D at The Green Software Foundation.
The Green Software Foundation
Episode: Backstage: Carmen
Anna Forlati
Head of Digital Sustainability and Impact at TeamSystem
TeamSystem
Episode: Space and Commitment to Green Software
Wilco Burggraaf
Principal lead at HIDEC Innovators and co-host of Green Software Netherlands.
HIDEC Innovators
Episode: How to do Greener Prompting with AI and GreenPT
Robert Keus
Co-founder of GreenPT, focused on building transparent AI solutions.
GreenPT
Episode: How to do Greener Prompting with AI and GreenPT
Tom Kerkhove
Senior Software Engineer at Microsoft, specializing in Azure API Management
Microsoft
Episode: Azure API Management

Hosts

Kate Goldenring
Host and frequent co-host with a focus on green software topics.
Chris Adams
Host and central voice on Environment Variables; coordinates guests and topics around green software and sustainability.

Reviews

5.0 out of 5 stars from 74 ratings
  • Lifting the lid on green software dev

    Excellent podcast, professionally put together. Chris is an engaging host.

    I have been looking for more information on green software development advice and practices and news. This podcast is a great resource with lots of leads to follow-up on. The podcast website is nicely put together with lots of useful links.

    Apple Podcasts
    5
    jezzamabezza
    United Kingdom3 years ago
  • As informative as inspiring

    As we‘ve recently started working on the topic of sustainable IT Solutions this podcast helps a lot by its professional opinions regarding our topics as well as new ideas!

    Apple Podcasts
    5
    Kex_1
    Germany4 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Professionally produced with practical green software guidance.
Strong value for listeners seeking actionable metrics and standards.
Guest lineup brings hands-on expertise from foundations and industry.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#244
Ireland/Technology

Talking Points

Recent interactions between the hosts and their guests.

The Week in Green Software: Asynchronous and Unreliable
Q: How should organizations approach adopting the Green Software Foundation's maturity matrix and emissions reporting changes?
Organizations should view the maturity matrix as a non-linear guide rather than a strict ladder, adopting a flexible, step-by-step approach that aligns with their current capabilities and resources. Emissions reporting should move toward more real-time or hourly matching to reflect actual energy use, with an emphasis on measuring and acting on the data to drive continuous improvement rather than relying on offsets alone.
The Week in Green Software: Asynchronous and Unreliable
Q: What is the difference between token ops and token maxing, and when should each be used?
Token ops focuses on minimizing token usage and optimizing efficiency as workloads scale, while token maxing centers on pushing the upper limits of token usage in order to maximize capability or performance. The hosts suggest starting with token ops for sustainable long-term efficiency and using token maxing selectively during early growth phases or when exploring experimental approaches, then switching toward token ops as products mature and scale becomes a priority.
The Week in Green Software: CSRD and the SCI Standard
Q: What would you love to dive into next in the SCI discussion?
Dive into measurement, data quality, and governance, prioritizing how to translate energy data into defensible units and clear ownership across the organization.
The Week in Green Software: CSRD and the SCI Standard
Q: What SCI-related capability would you prioritize for CSRD readiness?
Prioritize governance and data ownership to ensure measurement is accurate, traceable, and integrable into audit-ready reports, then expand to data quality and management to support reliable compliance.
The Week in Green Software: More New Hosts!
Q: Enable Emissions in AI: what are the implications for energy use and environmental impact, and can we balance AI benefits with emissions concerns?
The guest explains that AI can both increase energy demand and enable efficiencies elsewhere, so we should pursue a framework that accounts for footprint (negative impact) and handprint (positive impact) and encourages technology choices that maximize sustainable outcomes while acknowledging potential negative consequences.

Audience Metrics

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Gender Skew
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Frequently Asked Questions About Environment Variables

What is Environment Variables about and what kind of topics does it cover?

This program focuses on practical strategies to cut software emissions, with a steady stream of guests who bring hands-on experience in green software, sustainability advocacy, and energy-aware engineering. Topics regularly cover measuring and reducing carbon footprints in cloud apps, data-center efficiency, AI energy impacts, and open standards that help teams act concretely—often pairing technical detail with policy and industry initiatives. A notable edge is the mix of practitioners, researchers, and advocates from major tech firms, standards bodies, and sustainability-focused consultancies, all aiming to translate sustainability into measurable engineering decisions. This makes it valuable for listeners who want real-world methods, benc... more

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1. Green IO
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4. The Rest Is Politics: US
5. 99% Invisible

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Environment Variables launched 4 years ago and published 144 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Environment Variables?

Recent guests on Environment Variables include:

1. Aditya Manglik
2. Aseem Hussain
3. Ryan Sholin
4. Florent Morel
5. Joseph Cook
6. Anna Forlati
7. Wilco Burggraaf
8. Robert Keus

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