Abstract
Background: Climate change is one of the most critical threats to our society. The purpose of this cross-sectional study was to describe the content of the most viewed climate change videos on YouTube. Methods: The term "climate change" was used to search on YouTube to garner a sample of the 100most widely-viewed videos. Videos in a language other than English, or considered irrelevant, were excluded. Using a fact sheet from National Aeronautics and Space Administration, content categories were created and successively coded. Results: The mean number of views for the 100 videos evaluated was 231,140.2 views (SD=718, 399.5) and the mean length was 12.1 minutes (SD= 24.1). Most videos were uploaded by a news source (77.0%), included a belief that climate change is happening (77.0%), and mentioned the impact of climate change on the environment (71.0%). Only one-third of the videos mentioned how to prevent climate change (33.0%). More than half focused on a specific environment and, of those, 47.2% specifically focused on cities. Compared to videos that did not focus on a specific environment, the videos with an environmental focus were more often intended for adults (87.3% vs. 53.3%, P≤0.001). Conclusion: This study highlights the need for climate change YouTube videos intended for youth. Targeting youth may lead to engagement of younger generations in climate change discourse and inspire climate action. Further research is needed to determine the effectiveness of YouTube as a platform for educational videos on climate change.
Highlights
Climate change is globally established as one of the most critical threats to our society
Compared to videos that did not focus on a specific environment, the videos with an environmental focus were more often intended for adults (87.3% vs. 53.3%, P ≤ 0.001)
Videos without a specific environmental focus more often were geared toward a non-specific audience (35.6% vs. 7.3%, P ≤ 0.001) and more frequently were presented by a politician or celebrity (28.9% vs. 5.5%, P = 0.001) than those that concentrated on a particular ecological environment
Summary
Climate change is globally established as one of the most critical threats to our society. Climate change is one of the most critical threats to our society. The purpose of this cross-sectional study was to describe the content of the most viewed climate change videos on YouTube. Most videos were uploaded by a news source (77.0%), included a belief that climate change is happening (77.0%), and mentioned the impact of climate change on the environment (71.0%). Conclusion: This study highlights the need for climate change YouTube videos intended for youth. Further research is needed to determine the effectiveness of YouTube as a platform for educational videos on climate change
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