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02. September 2026

Card Rescuers in Mainz: Giving microSD Cards a New Lease on Life

The Mainz Agenda Office invites all Mainz residents to rummage through their drawers and cabinets for old but still functional microSD cards and drop them off at the Mainz Environmental Store for the “Card Savers” project.

“In many corners of households in Mainz, there are old, unused electronic devices. These often include microSD cards, which are not only lying around loose but are also hidden inside devices such as cameras or cell phones,” said Sabine Gresch from the Agenda Office. “Like many other once-modern technologies, microSD cards are gathering dust today, even though they’re actually still in working order.” 

The collected cards are passed on to the Audiopedia Foundation. The foundation gives these unused tiny components a new lease on life by refurbishing the cards in compliance with data protection regulations, loading them with audio recordings, and then shipping them to Rwanda—a partner of the state of Rhineland-Palatinate for 44 years. There, the microSD cards are distributed to women’s groups through local partner organizations and used to provide women with access to education through audio content. The Audiopedia Foundation also handles the necessary technical infrastructure on site.

The microSD cards provide a barrier-free source of information—accessible even offline—in over 80 languages. This audio-based knowledge is essential because people in rural regions of Africa often lack access to the internet or other educational opportunities, which limits their ability to learn about topics such as health, family planning, women’s rights, finance, or agriculture. 

Starting now, it’s also possible to collect microSD cards for “Kartenretter” in Mainz. This is a joint project of the Agenda Office, the Mainz Environmental Store, the Rhineland-Palatinate/Rwanda Partnership Association, and the Fair Trade Team Mainz. “We’re very happy to support this project because it makes a simple contribution to waste reduction while also doing some good,” says Cordula Zimper of the Mainz Environmental Store.

Anyone wishing to donate unused microSD cards can find a collection box at the Umweltladen at Steingasse 3. 

“By donating microSD cards and spreading the word about the ‘Kartenretter’ initiative, motivated residents of Mainz can support the project’s success, give unused electronics a new purpose, and promote access to education for women in Rwanda,” said Sabine Gresch. 

“Distributing the SD cards in Rwanda provides women with low-barrier access to important information and support—including the ability to consult a doctor. Especially in rural areas, where medical and counseling services are often limited or located some distance away, this can be a crucial source of support. In addition, the content fosters dialogue among women: content listened to together can serve as a gateway to discussing challenges, sharing experiences, receiving mutual support, and thereby developing new perspectives as well as concrete courses of action,” explains Layla Engeln from the RLP/Ruanda Partnership Association.

Further information on the “Kartenretter” project and the Audiopedia Foundation can be found on the following websites

https://www.kartenretter.de/

https://www.audiopedia-foundation.de/

https://mainz.de/angebote-entdecken/soziales-und-gesellschaft/buerger-aktiv/kartenretter

AGENDA Office, 

Office for Urban Research and Sustainable Urban Development, 

Dr. Sabine Gresch 

Email: agenda-infostadt.mainzde

https://fairtrade-stadt-mainz.de/ (opens in a new tab)

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