The idea of the project comes from the need to promote eco-friendly habits among young EU citizens to get them to understand how our lifestyle choices impact the world around us and encourage them to take collective action. Conceived within the wider frame of an Erasmus KA1 Activity (group mobility of pupils), the project involves pupils (aged 13-14) from Italy and Spain, getting them to work collaboratively and reflect on how sustainability impacts their countries. The activities will allow them to work on sustainability through art, science and active citizenship improving key competences and skills.