In an era where climate change and environmental concerns are reshaping industrial priorities, the automotive sector stands at the forefront of the green transition. This thesis investigates Stellantis as a case study, exploring the company’s environmental initiatives and its approach to sustainability communication. It examines how Stellantis integrates ecological strategies across its operations, from circular economy practices and electrification plans to green investments and supply chain management. Furthermore, the thesis explores Stellantis’ use of digital platforms such as websites and social media for communicating sustainability to stakeholders. Through qualitative research, including official reports and social media content analysis, this study evaluates the company’s communication strategies and identifies areas for improvement.