When Dr. Vogt signs the petition in the Close-up, the line of the signatory above him contains Japanese writing. This was intended by the director and also written by himself. The meaning of the Kanjis is yours to discover.
The countdown elements seen in Dr. Vogt's dreams are re-used footage from Jaschar Marktanner's previous film Boom (2016).
Stefan Zabel has previously animated the credits for Jaschar Marktanner's film Rendezvous mit der Rosenbestie (2015).
Dr. Vogt's address is Am Bahnhof 7.
The brochures Juliane Schwabe's character is carrying were donated by an environmental organisation.