books.

Klimaschutz Wissen und Handeln
chapter: Neue Verhaltensmuster für eine nachhaltig lebende Gesellschaft
Release Date: Oct, 4th 2021

Mehr sein, weniger brauchen: Was Nachhaltigkeit mit unseren Beziehungen zu tun hat.
Release Date: Feb, 10th 2021 (also available as audiobook)
Fasting. A case study by someone who fasted for 60 days
Release Date: Jul, 21st 2019 (currently unavailable)