Great hopes have been placed in IT and Digital Technologies to support our transition towards a low-carbon economy, but the digital sector itself emits as many greenhouse gases as the world's entire road freight. Let's make sure we clean our own house while helping to make the world a better place!

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September 30 to October 1, 2026

London

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December 2 to 3, 2026

Paris

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Why they attended our past editions

"Attending the Green IO conference is an absolute must for anyone passionate about sustainable IT. It’s the perfect place to discover cutting-edge tools, proven best practices, and practical strategies to effectively measure and minimize your IT environmental impact."

Pierre Seroul,Head of Data & Energy Efficiency Domain (Eviden)

The GreenIO team put together a great conference; it was packed with enjoyable speakers, engaging content, and a great network of Green IT practitioners. It's a great place to learn practical tips on how to decarbonize your software stack and build out your network of sustainability professionals.

Will Alpine, Cofounder (Enabled Emissions Campaign)

“There are few opportunities to compare our greentech practices with those of our colleagues and to get moving. Green IO Paris allowed us to mobilize a small Product and Engineering collective at leboncoin during the Sustainable Challenge to experiment on our platform with eco-design or optimization gestures for our product, but also to raise awareness among curious people during the conference."

Guillaume Grillat, Lead Tech Community Advocate (LeBonCoin)

Thank you Gaël DUEZ for hosting a fantastic conference. I loved participating and as a speaker I was grateful for the warm welcome from the audience. Additionally, I was able to make hugely valuable connections, which will no doubt be helpful to to meet our ambitious Carbon Zero targets at Cambridge University Press & Assessment. Can't wait for next year!!

Julie Dennis, CTO (Cambridge University Press & Assessment)