Since 2014, cyclos has been addressing the sustainable handling of old textiles.

• cyclos is developing "possible models of extended producer responsibility for textiles" on behalf of the Federal Environment Agency.
• cyclos has a large network in this area and is in constant exchange with companies and associations that are committed to the sustainable use of textiles and used textiles.
• cyclos is responsible for the organisational and technical management of the Gemeinschaft für textile Zukunft (GftZ) (since 2016).
• cyclos has been responsible for the organisation, moderation and technical support of various conferences:
  1. "Used textiles - actors in dialogue" (11/2021),
  2. "Textile Future - Information, Background, Strategies" (05/2021 – online),
  3. "Textile recycling - a compelling challenge" (2019),
  4. "Requirements for high-quality textile recycling" (2018)
  5. "Used Textiles - Future Raw Materials" (2017).
• cyclos has chaired the DIN sub-working group "Collection and sorting of used textiles" in the DIN e. V. standardisation roadmap project (2022).