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.

Hannes Öhler co-authored an essay for D+C/E+Z in spring 2012 as a researcher at Heidelberg’s Ruprecht-Karls-Universität.

All articles of Hannes Öhler

Donor harmonisation

Not much progress

Donors have not made much progress on harmonisation

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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.