Climate debate fuelled by hearsay and rumour
The Observatory
12 May 2025
Written By Dr David Whitehouse
Very few Reddit posts have reliable science
Opinions formed when young often stay with us for life. Views on climate change are especially strong among this group, which represents a powerful force. However, a new study of Reddit posts – one of the largest social media platforms – concerning climate change shows that just 1 in 25 are linked to scientific sources, indicating a widespread lack of informed scientific debate.
Reddit is approaching its 20th anniversary, but is still highly relevant, as there are only four other social media platforms that receive a larger share of visits. There are over half a billion users, with 44% between 18-29 years old. The average age is 23 years.
European researchers writing in Public Library of Science Climate say that well-informed individual and collective action depends upon the public’s understanding of scientific findings. However, their research shows that in many cases debates about climate are fuelled by hearsay and misinformation.
In a study analysing 14 years of posts, they find only about 4% of links in Reddit posts are to scientific sources, whilst most are to articles in the mass media, which the researchers say peaked between 2019–20. I have often remarked in this column how monolithic and narrow mass media reporting of climate change is.
https://www.netzerowatch.com/all-news/climate-debate-fuelled-by-hearsay-and-rumour