Smart Metering, GPS-based road taxes, Personal Carbon Credits – the next wave of “green” technology aims to reduce energy consumption and emissons, and ultimately save the planet by making personal behaviour transparent and quantifiable. While reducing everyones ressource footprint is unavoidable, the currently proposed methods to achieve that goal are highly questionable. This talk gives an overview on currently planned and proposed technologies and outlines alternatives to telling Google when you do your loundry and having every purchase tracked in a central carbon credit database. These technologies are designed and build now, by the people from our community. So here is the chance to built privacy and acvoidance of the next data scandals right into the foundation of a new industry.