Some photos on this website come from Wikimedia Commons and are used under the CC BY-SA 4.0 licence. They have been resized and cropped.
- Extensive green roof, Stockholm: photo by I99pema, Wikimedia Commons, CC BY-SA 4.0
- Semi-intensive green roof, Brussels: photo by Leclaire59, Wikimedia Commons, CC BY-SA 4.0
- Shared rooftop, CODHA cooperative, Geneva: photo by Manuel Schmalstieg, Wikimedia Commons, CC BY-SA 4.0
- Green roof of Chicago City Hall: photo by Conservation Design Forum, Wikimedia Commons, CC BY-SA 4.0
Other photos: Unsplash, Adobe Stock and Jungle Roofs.