Abstract: Nowadays, the world is experiencing a critical situation regarding the climate crisis, highlighting the need to educate future generations to address this problem. As the Sustainable Development Goals provide a framework for environmental care, this dissertation will focus on Goal 15: Life on land. Based on this thematic line, the purpose of this work is to promote English language learning, developing communicative competence through engagement in meaningful tasks from an innovative approach, based on the development of multiliteracies through children’s films. To this aim, some of the most relevant contemporary theories of foreign language teaching will be analyzed, including Task-based learning and Communicative language teaching. Likewise, the benefits of using audiovisual resources in the classroom will be defined. With this objective, a proposal will be designed, including various materials and resources, followed by a critical analysis to determine its effectiveness and innovative nature in language teaching. Finally, the strengths will be established, highlighting the development of visual literacy and communicative competence, along with the aspects for improvement.