Professors Klaus Bruhn Jensen and Semahat Ece Elbeyi are media and communication researchers focusing on environmental communication. Recently, they joined a team of 14 researchers who investigated misinformation about climate change for the International Panel on the Information Environment. Our team carried out the most comprehensive review to date of scientific research on climate misinformation and disinformation. Climate misinformation is when people make mistaken claims about climate change and spread incorrect information. Climate disinformation is where false information is spread deliberately – for example, corporations that “greenwash” their products so that they can sell more. (Greenwashing is where false claims are made that products or services are environmentally friendly when they aren’t). They reviewed 300 studies published between 2015 and 2025, all of which centred on climate misinformation. Our study found that the human response to the climate crisis is being obstructed and delayed by the production and circulation of misleading information. They found that this is being done by powerful economic and political interests, such as fossil fuel companies, populist political parties, and some nation states.
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