Legal notice
Information pursuant to § 5 of the German Telemedia Act (TMG) for the network registration tool at join.materiaterra.org.
Provider
materiaterra — independent initiative (association in formation)
Initiated by Petra van der Wielen and Percy-Bodo von Oheimb-Loup
Contact: contact@materiaterra.org
The final legal-notice details (registered address, board, association register number) will be added once the formation of the association is complete.
Contact & contact person
Petra van der Wielen
Deutsche Energie-Agentur GmbH (dena)
Chausseestraße 128a
10115 Berlin, Germany
Email: petra.vanderwielen@dena.de
General: contact@materiaterra.org
Authorised board (§ 26 German Civil Code)
Will be added once the association is formed.
Association register
Registration applied for — number to follow after registration.
Responsible for content pursuant to § 18 (2) MStV
Petra van der Wielen, Deutsche Energie-Agentur GmbH (dena), Chausseestraße 128a, 10115 Berlin, Germany.
EU dispute resolution
The European Commission provides a platform for online dispute resolution: ec.europa.eu/consumers/odr. We are neither obliged nor willing to participate in dispute resolution proceedings before a consumer arbitration board.
Liability for content
The contents of this registration portal are created with the greatest care. However, we cannot guarantee the accuracy, completeness or timeliness of the content. As a service provider, we are responsible for our own content on these pages in accordance with § 7 (1) TMG and general law. According to §§ 8 to 10 TMG, however, we as a service provider are not obliged to monitor transmitted or stored third-party information or to investigate circumstances that indicate illegal activity.
Liability for links
Our offering contains links to external third-party websites over whose content we have no influence. We therefore cannot accept any liability for this third-party content. The respective provider or operator of the linked pages is always responsible for their content.
Copyright
The content and works created by materiaterra on this website are subject to German copyright law. Reproduction, editing, distribution and any kind of use beyond the limits of copyright require the written consent of the respective author or creator. Development & technical implementation: CastorOS — Dynamic Support AG, Fabrikstrasse 5, 6330 Cham ZG, Switzerland (UID CHE-107.974.760), castoros.com.
Last updated: June 2026