Urban greenery

Urban trees in Jena are under pressure

Explore Nature and Discover History

Interactive 3D relief model combines science and nature experience

As part of the Forest Youth Games, representatives of the city administration visited the Forest Youth Games at Landgrafen together with the city forestry office and the SDW.

In spring 2026, the KSJ's tree care division planted 118 new trees in Jena

Two walks "#Krautschau in Jena: urban diversity to kneel down" on May 27 and 28, 2026

Mark Pommnitz from Baum4 talks about the special challenges and much more on Thursday, May 28, 2026

As a prelude to the nationwide Day of Hiking, the forum natura nature experience invites you to a hike on May 12, 2026.

The city nursery in Jena is reviving a tried and tested format.