Overview on what goes where for Stuttgart (but mostly applicable for Germany with slight regional differences).
Here you can check out a PDF, which shows you where you can throw away what in Germany / Stuttgart Area and can give you a general idea.
Read more about bottle deposit here.
November 2021 Kira Neumann
This blog post is a personal recommendation and based on personal experience. It has been prepared with the greatest possible care and does not claim to be correct, complete or up-to-date.“ Picture credit: Kiramiga