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

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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)

“Sustainability is one of the most important subjects facing technology companies today. The Green IO conference is without doubt one of the best places to learn about industry best practices, to exchange ideas and to discuss with others facing similar challenges.”

Diarmuid GILL, CTO (Criteo)

“This was my second year at Green IO and I was so honoured to be on stage for a second year as well and the growth, and bigger stage! gave me goosebumps. I walked away inspired and having learnt things that we’ll be applying to our own digital sustainability projects. But mainly the sense of community that I felt at the conference was incredible and uplifting and it has inspired me to reignite getting more involved in the wider digital sustainability community as well.”

Andri Johnston, Digital Sustainability Lead (Cambridge University Press and Assessment)

“It’s a great place to learn from you peers [...] and it’s great energy to surrounded by people as passionate about the topic as I am”

Venetia FOO, Sustainability Lead (Palo IT)