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.

Ruediger Kuehr

contributed to D+C/E+Z in spring 2016 as head of the Sustainable Cycles (SCYCLE) programme at the UN University’s Bonn campus as well as the head of the international intiative StEP (Solving the E-Waste Problem).

All articles of Ruediger Kuehr


“22 kilogrammes per person and year“

Why e-waste must be properly recycled


Why statistics are not enough

Brief history of the StEP initiative

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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.