This document outlines a Comenius project from 2012-2014 conducted by Nursery Rizario School in Greece. The project involved children learning about the importance of trees and their environmental functions. The children visited a park, learned how trees provide food, shade, wood, fresh air and more. They also role played as trees to understand their perspectives. As part of the project, the children helped plant trees and promised to protect and care for trees. They created paintings about trees and hope to make the world more green. The project aimed to educate children on their duty to protect trees and received funding from the European Commission.