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von Steiger, Tatjana; Bürgi Bonanomi, Elisabeth; Nyarko, Dennis (2022). How can raw materials – such as those for making chocolate – be sourced sustainably? [Movie]. In: Spirit of Bern 2022. Bern. 23 August 2022
von Steiger, Tatjana; Messerli, Peter (July 2021). Protecting biodiversity requires transforming human-nature relations. Rural 21: the international journal for rural development, 55(2/2021), pp. 6-8. DLG
