A conference powered by 
Green IO London
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Apidays London and Green IO have partnered to bring you the latest insights from thought leaders in Tech Sustainability and hands-on feedback from practitioners scaling Green IT. Great hopes ha...
September 24, 2025
etc. venues 155 Bishopsgate, London EC2M 3YD
Call for speakers is now open!
All expertise is welcomed: green software engineering, low-carbon cloud and data center operations, responsible AI, sustainable design, low-carbon network and infrastructure, awareness and organizational challenge, Green IT landscape, etc.
Meet our partners
Members of the London Green IT ecosystem as well as our corporate partners will be available to exchange with you on how to accelerate your digital sustainability journey.
Global Premium
Global Champion
Global Non Profit
Why they attended our past London editions
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)