Drzewa w mieście - zielony kapitał wartości i usług ekosystemowych

The article presents a significance of the evaluation of urban trees and benefits of ecosystem services gained from the presence of trees in cities. There was discussed a historical outline of implementing new methods of trees evaluation from cities of each continent and Poland, the country where already 40 years ago has been used a term „infrastructure” with a reference to the natural environment. It underlines also the importance of know-how development in monetary value of multiple utilities generated by trees when it comes to temperature regulation, carbon dioxide absorption, atmospheric air purification, reducing the flow of rain water and other benefits from shaping ecological education and stimulating grassroots initiatives in protecting and growing trees in urban areas. In the article were analyzed the differences between polish term „to make a charge” for removing trees and the term „trees evaluation” which is a tool used abroad to protect urban trees.