If you build DIY Solar Panels in your local Hackerspace, repurpose old hardware, organize climate protests or create a solarpunk society, we want to hear from you!

If you build DIY Solar Panels in your local Hackerspace, repurpose old hardware, organize climate protests or create a solarpunk society, we want to hear from you! Share your passion project and inspire other people at the special #39c3 Lightning Talk Sustainability Block!
https://cfp.cccv.de/39c3-lightningtalks/cfp