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

“I’m not new to sustainability, yet I am fairly new to finding like-minded people to talk to about it. My entry points were my local Green Software and GreenSEO meetup groups. So, coming to Green IO, I knew there were some good speakers, but I didn’t know what to expect in terms of vibe. How brilliantly surprised I was! This is not your standard corporate sales-fest; Green IO is the real deal. A conference full of people doing work they care about for the good of the planet – I’ve found my clan and I’ll be back!”

Fiona MacNeill, Director - UX (Research & Strategy, Macknowlogist)

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)

"Apidays London was a great conference, specifically the Green IO sustainability conference. Not something I have seen before but thought provoking and inspirational.”

Michala, Chief of Staff for SRE (Goldman Sachs)

“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)