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.

Stephan Opitz


contributed to D+C/E+Z in winter 2018/2019. He heads the Policy/Latin America Directorate of KFW Development Bank.

All articles of Stephan Opitz


Keeping the life insurance

Inclusion of community and long-term funding are vital for effective conservation


“Getting people on board”

The KfW Development Bank becomes increasingly involved in marine conservation

Energy efficiency

Quantum leap for ­climate protection

Energy-efficiency measures can contribute to covering the global energy demand


„It is not just about money“

Stephan Opitz: The governments of large emerging economies are interested in renewable-energy technology

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