Nature is something we need in the city to provide a healthy living environment for people and to maintain a rich biodiversity. By bringing nature into the cities, ecosystems are expanded and broadened. Providing an ecological component in public and private spaces, greatly contributes to the creation and conservation of urban biodiversity, attracting animals such as wild bees, butterflies, and birds. Apart from these positive effects, there are also challenges. For example, what does the greening of cities mean for the health of animals, humans and the environment?