The Conversation
Last year, the world experienced the hottest day ever recorded, as we endured the first year where temperatures were 1.5°C warmer than the pre-industrial era. The link between extreme events and climate change is clearer than ever. But that doesn’t mean climate misinformation has stopped. Far from it.

Misleading or incorrect information on climate still spreads like wildfire, even during the angry northern summer of 2023. Politicians falsely claimed the heatwaves were “normal” for summer. Conspiracy theorists claimed the devastating fires in Hawaii were ignited by government lasers.

People producing misinformation have shifted tactics, too, often moving from the old denial (claiming climate change isn’t happening) to the new denial (questioning climate solutions). Spreading doubt and scepticism has hamstrung our response to the enormous threat of climate change. And with sophisticated generative AI making it easy to generate plausible lies, it could become an even bigger issue.

The problem is, debunking misinformation is often not sufficient and you run the risk of giving false information credibility when you have to debunk it. Indeed, a catchy lie can often stay in people’s heads while sober facts are forgotten.

But there’s a new option: the prebunking method. Rather than waiting for misinformation to spread, you lay out clear, accurate information in advance – along with describing common manipulation techniques. Prebunking often has a better chance of success, according to recent research from co-author Sander van der Linden. MORE