Within the page of the UNECE – United Nations Economic Commission for Europe website, the section dedicated to Urban trees and forests goes addresses the main points and issues related to the Trees in Cities Challenge, launched in 2019.
In this scenario, the Vertical Forest in Milan is presented as an example of green architecture in the city and integration between nature and architecture.
Link to the page: https://unece.org/forests/urban-trees-and-forests-0