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.

last contributed to D+C/E+Z in spring of 202 as one of two co-directors of the international non-governmental organisation Health and Environment Justice Support (HEJSupport). Its offices are in Dachau, Moscow and Ottawa.  

All articles of Olga Speranskaya

Occupational health

Toxic substances in the life cycle of clothing

Many workers in textile and garments manufacturing are exposed to health risks they do not understand

Serious health hazards

Consumers need better information concerning toxic chemicals

Common consumer goods contain dangerous substances that are known to harm human health

Our Contributors


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.