A hybrid boat takes train passengers from the mainland of Germany to one of the Danish peninsula's that is home to Kalundborg.
The Nudge Explores Circular Cities tour will visit Kalundborg in Denmark on May 12 - 13. In Kalundborg, people have lived with the -first forms of- Symbiosis for 55 years. Symbiosis is a group of companies for which the waste product of one company is a resource for another enterprise. In professional terms; it's circular economy in full swing.