TikTok climate study: Personal stories beat data in 200 analyzed videos

A new study from researchers including Chu Zhang, Simai Huang, Shaohua Wu, Yihuan Chen, and Ray LC examines how climate change is expressed on TikTok. Published on arXiv and presented at CSCW 2026, the 44-page paper analyzes 200 short videos tagged #climatechange. The team identified four categories of content: expression-feelings (emotional sharing), views-appeals (opinions and calls to action), news-information (fragmented scientific reporting), and trend-hijacking (leveraging viral formats). Creators often use humor to package sharp critiques, avoiding direct confrontation. They replace complex scientific discussions with relatable life stories, such as deleting emails to reduce carbon footprint, and borrow language from news media to lend credibility to personal interpretations.

The study also examined viewer comments, finding empathetic engagement that reshapes the original video's meaning. However, this interaction can reinforce existing beliefs rather than broaden perspectives. The lack of community structure on TikTok means these empathetic exchanges help build ad-hoc communities around climate topics. The paper highlights how short-form video enables climate communication by balancing scientific accuracy with emotionality, using personal narratives to retell news and data. This approach risks oversimplification but increases accessibility, making it a powerful tool for climate advocacy and a critical area for platform design and policy considerations.