<p>Elon Musk, the well-known entrepreneur behind companies like Tesla and SpaceX, often uses his social media platforms to promote sustainable technologies. Our study looks into how Musk’s online advocacy has influenced public interest, investment trends, and policy developments related to sustainable tech from January 2021 to October 2023. We analyzed 55 of Musk’s posts on X (formerly Twitter) that focused on sustainable technologies. By tracking Google search trends, we noticed that public interest in these topics significantly increased after his posts—on average, there was a 22% jump in searches. This surge wasn’t limited to one area; it spanned across solar energy, electric vehicles, battery technology, and climate change. Investors seemed to react positively as well. After Musk’s posts, the stock prices of sustainable technology companies showed significant gains, indicating that his influence might boost investor confidence in these sectors. We also observed a notable rise in venture capital funding for sustainable tech startups in the month following his advocacy. While we found that policy announcements sometimes occurred around the same time as Musk’s posts, it’s challenging to directly link his influence to these policy changes. However, it appears that his efforts raise awareness and could contribute to an environment that’s more receptive to new policies, even though many factors play into policy decisions. In summary, our study highlights the significant role that influential figures like Elon Musk can have in shaping public discussion and sparking interest in sustainable technologies. This has important implications for businesses, investors, policymakers, and others involved in sustainable tech, demonstrating the powerful impact social media advocacy can have on driving technological innovation and adoption.</p>