• Male trees release pollen but are still preferred over female trees. Photo: Chris Pettersson/Sveriges Radio, Hasse Holmberg/TT
  • How City Trees Affect People with Pollen Allergies. Photo: Anna Sigvardsson and Fredrik Sandberg
  • Article - Landscape magazine Author: Johan Östberg
  • Article - Utemiljö Magazine Authors: Gustav Nässlander and Nicolaj Josephsson Branda
  • Nordlocal – Scaling Nature-Based Solutions Through Local Nordic Action