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Our program. Click a talk for details.
Jump to Current Talks
Thursday, 25 Apr
Friday, 26 Apr
Thursday, 13 Nov
Friday, 14 Nov
Thursday, 25 April 2024
Time
Community Track
Data Centers / Infrastructure / Management (DIM)
Software & Hardware (So-Ha)
Track 1
Track 2
09:30
Linux Power Management Analysis for Embedded Systems 🇬🇧
Hagen Pfeifer
Rohde & Schwarz
Where is the green in the mindset? Improving awareness for green coding in the software development process 🇬🇧
Verena Majuntke
HTW Berlin
10:15
Green Cloud Computing - From top to bottom 🇬🇧
Max Körbächer
Liquid Reply GmbH
Energy-Efficient AI and Signal Processing in Embedded Systems 🇬🇧
Ludwig Kürzinger
Ingenics Digital GmbH
11:30
[Cancelled] Reducing hardware obsolescence through target Green IT strategies 🇬🇧
Anna Zagorski
Umweltbundesamt
The Role of Values in Our Digital Future - What's important to us and how do we embed values in our digital products? 🇬🇧
Max Schulze
SDIA
13:00
Carbon measurement and attribution for processes and hardware devices in the Linux kernel 🇬🇧
Aditya Manglik
ETH Zürich
DevSusOps - integrate sustainability into every step of the DevOps-Cycle 🇬🇧
Jochen Joswig
MaibornWolff GmbH
13:45
How to measure CO2 emissions for every API call of your microservices 🇬🇧
Andreas Brunnert
RETIT GmbH
Navigating the Green Path: Plan A's Journey to Sustainable IT 🇬🇧
Carsten Windler
Plan A
14:30
Evaluating the environmental footprint of X-Road 🇬🇧
Petteri Kivimäki
Nordic Institute for Interoperability Solutions (NIIS)
Energy saving techniques for modern cloud and on-prem software 🇬🇧
Arne Tarara
Green Coding Solutions GmbH
15:45
Energieeffizienz verschiedener Backend-Architekturstile: Monolith vs. Microservices 🇩🇪
David Kopp
Msc. student University of Stuttgart
Carbon Aware Computing – Insights from the UBS project which created the GSF Carbon Aware SDK 🇬🇧
Christian Binder
Ex-Microsoft
16:15
Green AI - Case-Study: Decarbonising an AI system 🇬🇧
Yelle Lieder
Adesso SE
Real projects - real problems to solve 🇬🇧
Anita Schüttler
neuland - Büro für Informatik GmbH
Friday, 26 April 2024
Time
Community Track
Data Centers / Infrastructure / Management (DIM)
Software & Hardware (So-Ha)
Track 1
Track 2
09:00
The Fast and the Frugal: Microservices at Race 🇬🇧
Sascha Böhme
QAware GmbH
How to build truly sustainable cloud, the easy way 🇬🇧
David Kohnstamm
Leafcloud
09:45
Optimizing for Sustainability: Demonstrating Advanced Scanning, Energy Consumption Analysis, and AI-Driven Enhancement of IT Applications 🇬🇧
Ghazal Aakel & Eric Jochum
metafinanz Informationssysteme GmbH
Approaches for Ecological Transparency in Open Source Cloud Infrastructures 🇬🇧
Christian Berendt & Max Böttcher
Cloud&Heat Technologies
10:30
Sustainable Software Engineering 🇬🇧
Carolin Rubner & Birthe Böhm
Siemens AG
Determine software emissions 🇬🇧
Moritz Bölter
Lufthansa Industry Solutions
Thursday, 13 November 2025
Time
Community Track
Data Centers / Infrastructure / Management (DIM)
Software & Hardware (So-Ha)
Track 1
Track 2
09:00
Welcome & Introduction to the conference 🇬🇧
Arne Tarara | Stefan Ullrich | Friederike Hildebrandt
Green Coding Solutions | Bits & Bäume
Introduction
09:20
Keynote: State of Green Digital Tech 2025 🇬🇧
Arne Tarara
Green Coding Solutions
Keynote - 20 min.
09:45
Grundlagen von IT-Nachhaltigkeit 🇩🇪
Hannah Herbst
Rewion
CarbonDB - Real Time carbon emissions mapping to heterogenous IT infrastructure 🇬🇧
Arne Tarara
Green Coding Solutions
Green your Code: Oaklean’s vision for sustainable Node.js projects 🇬🇧
Kay Makowsky
Hitabis
10:15
Green IT and Green AI: A Practical Guideline for More Sustainable Digital Systems 🇬🇧
Dr. Stefanie Kunkel | Emma Schütt
RIFS | am GFZ Helmholtz-Zentrum Potsdam
Empowering Devs to Act: Bringing Environmental Metrics into Infrastructure Decisions 🇬🇧
ELISE AUVRAY
Scaleway
Coding Smarter for a Greener Future | A comparison between Go & Java 🇬🇧
Moritz Bölter
Lufthansa Industry Solutions
10:40
Coffee Break (15 min)
10:55
Open Source as Sustainable Infrastructure: From Shared Code to Greener Compute 🇬🇧
Paloma Oliveira
Sovereign Tech Agency
Methods to determine the environmental footprint of software – on the way to standardisation 🇬🇧
Holger Smolinski | Jens Gröger
Bosch | Öko-Institut
Green Frontend - Measuring and understanding the environmental impact of web applications 🇬🇧
David Kopp | Jan Kirchner
envite consulting
11:50
Open Source im Vorteil: Zertifizierung mit dem Blauen Engel 🇩🇪
Philipp Kersting
Oktobit
Rerouting the Cloud: Cutting 90% CO₂ and Cloud Costs with Smarter Workload Shifting 🇬🇧
Dryden Williams
CarbonRunner
Fighting hardware obsolescence with greener frontend code 🇬🇧
Björn Ganslandt
-
12:20
Flying Blind: Why Datacenter Sustainability Needs Real Data, Not Marketing Claims 🇬🇧
Matthias Haymoz
SDEA
Blauer Engel für Software - Award Ceremony - by Umweltbundesamt 🇬🇧/🇩🇪
Anna Zagorski
Umweltbundesamt
12:45
Lunch (60 min)
13:50
From shy contributor to (kinda) confident community leader 🇬🇧
Valeria Salis
Freelance Tech Sustainability Consultant
The "missing middle" of green IT: Why twin transformation fails without skills development 🇬🇧
Rainer Karcher | Prof. Dr. Henning Klaffke
Heartprint | Berufliche Hochschule Hamburg
How to build a sustainable AI infrastructure 🇬🇧
Robert Keus | Cas Burggraaf
GreenPT / Brthrs Agency
14:20
End Of 10”: How the FOSS Community is Combatting Software-Driven Resource and Energy Consumption 🇬🇧
Joseph P. De Veaugh-Geiss | Bettina Louis | Carolina Silva Rodé
KDE Eco | End of 10 Team
Using Generative Adversarial Networks to Reduce the Impact of Website Images 🇬🇧
Oliver Winks
Cardamon
GreenWeb Showcase WienIT 🇩🇪
Martin Michalitsch
Wien IT
14:50
Paint It Green – How Open Source Helps Reduce the Environmental Impact of AI 🇬🇧
Danijel Soldo
Red Hat
Ecodesign in mobile development with DevGreenOps 🇬🇧
Edouard Guégain
Greenspector
Software Sustainability through Green Gates @ Nextcloud
Frank Karlitschek
Nextcloud
15:20
Longer Coffee break (30 min)
15:50
Data centers and their energy consumption: public opinion vs. politics 🇬🇧
Julian Bothe
AlgorithmWatch
Sustainable hosting & data center insights: experiences & challenges of a web hoster 🇬🇧🇩🇪
Marvin Hötger | Olaf Quade
Mittwald
cat /proc/energy: Power and Carbon Awareness Made Simple 🇬🇧
Geerd-Dietger Hoffmann
Green Coding Solutions
16:20
Beware of green AI – or what Big Tech likes to make of it
Dr. Anne Mollen
University of Münster
Understanding Data Centre IT efficiency - The Hidden Power Source 🇬🇧
Richard Kenny
Interact DC
Green Configuration: Reducing Software Energy Consumption Through Configuration 🇬🇧
Max Weber
Leipzig University
17:15
Who Owns The Future of Green AI? 🇬🇧
Jo Walton
Digital Humanities Lab / University of Sussex
Making spot instances work for sustainability 🇬🇧
Anita Schüttler
Neuland - Büro für Informatik
Linux Power Management
Marco Liess
TU Munich
19:00
➡️
Conference Dinner
Friday, 14 November 2025
Time
Community Track
Data Centers / Infrastructure / Management (DIM)
Software & Hardware (So-Ha)
Track 1
Track 2
09:00
Let's be honest. A reality check on sustainability in digitalization 🇬🇧
Stefan Kruijer
SustyDigi
Move workloads to lower carbon ? The hidden complexity that might hinder your carbon-aware efforts 🇬🇧
Benoit Petit
Hubblo
How accurate are current tools and models for estimating software energy consumption? 🇬🇧
Prof. Dr. Andreas Brunnert | Manuel Steinberg
RETIT GmbH / Hochschule München
09:55
Place-conscious-poetic: Grounding the Cloud 🇬🇧
David Mahoney
University of Edinburgh
Getting Management Buy-in: Building a Business Case for Green IT 🇬🇧
Claire Thornewill
neoverv
Measure what you manage: Transparent Energy consumption of cloud infrastructure 🇬🇧
Josefine Kipke
Open Source Business Alliance
10:45
Coffee Break (15 min)
11:00
One year of the CO2-challenge – insights and lessons learned 🇬🇧
Aydin Mir Mohammadi
Bluehands
Built to Last: The Art of Sustainable Software Design 🇬🇧
Wilco Burggraaf
Hightech Innovators
11:30
Small Seeds: Software nachhaltig entwickeln & fördern 🇩🇪
Paul Robben
Prototype Fund
Datacenter Degrowth and Decentralization as a Chance for Europe 🇬🇧
Thomas Fricke
Freelance Cloud Security Architect
Requirements engineering as basis for architecting a green software 🇬🇧
Bjorna Kalaja
foryouandyourcustomers Vienna
12:05
Connect, not collect - making digital sustainability standards discoverable with carbon.txt 🇬🇧
Chris Adams
The Green Web Foundation
Bundesverband Green Software - Green Software Initiative Award 🇩🇪
Bundesverband Green Software
Bundesverband Green Software
12:40
Lunch Break (60 min)
13:30
➡️
Workshops (3h)
16:30
Networking & End of conference (2h)