In this special edition of Artpodden we dig into the big project Yggdrasil commissioned by Nordic Council of ministers, and that is why this episode will be in english so all nordic neighbors will be able to join. We will talk about the role of trees in our cities, the battle of native vs exotic tree species, and of course about the magic of trees in our culture - starting of with the ancient world-tree from nordic mythology; Yggdrasil. Participants in this episode is the celebrity within the field of trees; Cecil Konijnendijk, professor in Urban Forestry in British Columbia and docent in Nature Based Solutions Institute in Barcelona, and Gustav Nässlander from Trädkontoret, the Tree Office.