At D+C/E+Z, we are proud of our international network of authors. It is particularly important to us to be a platform for voices from the global south. Some authors contribute on a regular basis, others don't. Here you can find information about the people behind the contributions.

Valerie Viban

contributed to D+C/E+Z in summer 2017 as a weltwärts volunteer from Cameroon.

All articles of Valerie Viban

Summer special

“I can share so much information about Africa”

26 years old Valerie Viban from Cameroon is doing his volunteer service at the Partnership with Africa Foundation in Potsdam

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Achieving the UN Sustainable Development Goals will require good governance – from the local to the global level.


The UN Sustainable Development Goals aim to transform economies in an environmentally sound manner, leaving no one behind.