A man called Cook. Author of Cranky Uncle vs. Climate Change, founder of SkepticalScience.com.

Joined February 2017
1,991 Photos and videos
Pinned Tweet
15 Dec 2020
I’m delighted to announce the @crankyuncles game - teaching resilience against misinformation - is now available free on iPhone & iPad! More details about the game at crankyuncle.com/game and you can get the game directly from the App Store via sks.to/crankyiphone
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10 Dec 2025
Want to test how good you are at recognising authors? Fill out this (anonymous) survey, checking authors you recognise but also avoiding checking fake authors (purpose is to measure which authors are too well known or not known at all) q.surveys.unimelb.edu.au/jfe…

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27 Nov 2024
Have moved to BlueSky and am posting there about critical thinking and my research into misinformation - but popping back to X briefly to post my BlueSky account so find me there! bsky.app/profile/johnfocook.… (hoping posting this link doesn't get filtered)

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John Cook retweeted
Looking for something to do this evening?
12 Nov 2024
Am giving a free webinar this week with @350_Chicago on fine-tuning yoru BS detector to spot climate misinformation. Register at bit.ly/yourbsdetector
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12 Nov 2024
Am giving a free webinar this week with @350_Chicago on fine-tuning yoru BS detector to spot climate misinformation. Register at bit.ly/yourbsdetector
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John Cook retweeted
Words cannot really do justice to express our sadness at losing our team member John Mason. skepticalscience.com/remembe…
27 Sep 2024
Deeply sad to say that our much loved and valued @skepticscience team member John Mason passed away last week. Amazing & tireless story teller and climate communicator. He will be deeply missed skepticalscience.com/remembe…
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27 Sep 2024
Deeply sad to say that our much loved and valued @skepticscience team member John Mason passed away last week. Amazing & tireless story teller and climate communicator. He will be deeply missed skepticalscience.com/remembe…

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20 Sep 2024
Spoke to @StellaLevantesi about AI & climate misinformation: certainly AI is a threat in amplifying misinformation but I also discuss how we're using AI to develop solutions to misinformation desmog.com/2024/09/18/the-ab…
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John Cook retweeted
Just published in @GEC_Journal: We investigate how climate contrarians and the fossil fuel industry obstructed US cap-and-trade policy. Disproportionate access to key hearings and FFI lobbying played a major role. Full study: doi.org/10.1016/j.gloenvcha.… @TravisCoan1
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16 Aug 2024
We also found misinformation spikes instigated by influencers, both contrarian influencers promoting misinformation & convinced influencers who provoked misinformation backlash. Never thought I'd coauthor a climate misinformation paper mentioning @RobSchneider & @RealJamesWoods!
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16 Aug 2024
The major take-home from this research is that 40% of climate misinformation tweets are ad hominem attacks & 20% are conspiracy theories. The majority of climate misinformation involves discrediting climate actors & eroding public trust in climate science.
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16 Aug 2024
Had a great in-depth conversation with @StefanTSiegel from @HSGStGallen for his Sustainability Education Podcast on the psychology of climate misinformation & its similarities with myths about sustainability education sustainabilityeducation.capt…
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John Cook retweeted
Listen here: open.spotify.com/episode/1m2… Jessica talks with @johnfocook who studies the cognitive #Psychology of #ClimateScience denial. John founded Cranky Uncle & @skepticscience. You can also read some climate facts here: skepticalscience.com/argumen… #ClimateAction #Podcasts
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John Cook retweeted
There are so many misconceptions about consensus in science, starting with: What exactly is a consensus? And what’s up with all the confusion? I ask these questions & more in this conversation with @johnfocook. youtu.be/O_7wZ5mLDmk?si=0ZKR… While you’re there, please subscribe!
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John Cook retweeted
🎉 The Conspiracy Theory Handbook is now available in 20 languages! 🌍✨ Thanks to our amazing volunteer translators, this essential guide is making helpful pointers to identify conspiracy theories readily available across the globe. skepticalscience.com/transla…
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John Cook retweeted
I’m #PhDone (after a few revisions!) #scicomm #climatecomm @Mason4C
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