The globe as viewed from space.

Welcome to hacc_

hacc is a diverse group of creatures pursuing different projects. Our international activities are all documented on our pad server at

Who we are

“Hackers Against Climate Change” originated as a series of self-organized sessions at 35c3. Since then we have worked with other climate activist groups, supplying them with technical knowledge, as well as trying to raise awareness for the current climate crisis in the hacker community.

Feel free to get in contact and join us on multiple channels, in a regional meetup, meet us at a Chaos event, or even start your own local group!

How to Participate


You can reach us and participate on multiple channels:

Spin offs & Similar groups

There are different spin-offs of the movement originating from the original hacc sessions and events like the CCCamp2019.

Further project ideas can be found in our pads.

Similar groups

We in the press

Le Monde decided to give us, our posters, and Mate, a shoutout in their article about the 36c3!

Edit this page

This page is under git version control in a repo at If you don't want to make an account, you can send patches to