In the present era, social media is being utilized frequently to establish connections with individuals across the globe. Contemporary society provides advantages to specific individuals, particularly celebrities, who gain increased recognition for their actions on and off the screen. Social media allows them to connect with their fans or the global community so they can easily support various causes, including climate change. This paper aims to analyze the impact of celebrity endorsements on climate change, emphasizing the necessity of involving celebrities, their influence, and the motivations behind their desire to be engaged in this cause. The Transnational Advocacy Networking Theory is applied to bolster their case since it underscores the methods and tactics that non-state actors might employ. This study uses qualitative methods in the form of a literature study. Data is collected from trusted sources, including Scopus-indexed articles and leading news media. A celebrity with a reputable profile, high standing, robust connections, and privileged position can significantly enhance the promotion of climate change goals through endorsements. These initiatives include speeches at global summits and international conferences, encouraging international society via social media, persuading fellow celebrities, and conducting low-carbon emission concerts worldwide. The celebrities who publicly support and advocate for action on climate change include Leonardo DiCaprio, Barack Obama, and Coldplay.