The aims of the project is to raise awareness on global warming and experience different ways to save resources. Teenagers all over the world don't have the same involvement, awareness to have a greener world, they have different habits in their everyday life. How to make them more eco-friendly and more responsible? Through the project, they will share their country and city eco-friendly customs and they will discover new /other habits to preserve nature. Challenges, workshops, campaign to raise awareness will be suggested all year by the different partner countries to sensitize the new generation. The completion of the project is a book online or a hard copy of the different steps, workshops and challenges experienced through the project. It is an interdisciplinary approach (science, language, physical education, drama). It is for students from 12 to 15. This project will become an Erasmus project.