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The Global Risks Report 2025 ranks climate disinformation—and more broadly, misinformation and disinformation—as one of the most significant short-term threats facing the world, particularly over the next two years. According to the World Economic Forum, experts identified misinformation and disinformation as the crisis most likely to have a global impact in the short term, keeping it at the top of the risk rankings for the second consecutive year.
According to Statistics Canada, in 2023, 59% of Canadians expressed strong concerns about online misinformation, and 43% admitted having difficulty distinguishing between true and false information on the internet.
A report published on behalf of Électricité de France (EDF) presents a global overview of public opinions on climate change, based on data from 30 countries across five continents (Witkowski & Boy, 2022). It is estimated that 9% of the population in these countries doubt the very existence of climate change (trend denial), while 28% question its human origin (attribution denial).

