Professor Mark Maslin ๐ ๐
@ProfMarkMaslin
#ClimateChange Professor @ucl, author of #HumanPlanet, #CradleOfHumanity, #HowToSaveOurPlanet, member of @ClimateCrisisAG, Dad (He/Him)
Fourth Edition of Climate Change: A Very Short Introduction is out now ๐ Fully updated with latest @IPCC_CH results and the latest politics - perfect for students starting courses this autumn ๐ #ClimateEmergency #ClimateAction global.oup.com/academic/produโฆ

Top UN court says countries can sue each other over climate change A landmark decision by a top UN court has cleared the way for countries to sue each other over climate change, including over historic emissions of planet-warming gases. #climatechange bbc.co.uk/news/articles/โฆ
Staircase of denial Denier: It is cooling Scientist: There is long term warming trend Denier: It is cooling - this time Scientist: Global temperatures have risen by 1.2ยฐC in last 100 years Denier - LIARS - IT IS COOLING R/T @RARohde #climatechange
Your essential guide to climateย finance theconversation.com/your-essentialโฆ via @ProfMarkMaslin et al
Europeโs heatwave: leaders should remind the public why ambitious targets matter With net zero targets under attack from the populist right, dangerously high temperatures should refocus minds #ClimateCrisis #ClimateAction theguardian.com/commentisfree/โฆ
Understanding the health impacts of the climate crisis ๐ This discussion by @ProfMarkMaslin et al is the #mostdownloaded paper from our March issue! ๐๐ผ sciencedirect.com/science/articlโฆ
BREAKING: Apple just proved AI "reasoning" models like Claude, DeepSeek-R1, and o3-mini don't actually reason at all. They just memorize patterns really well. Here's what Apple discovered: (hint: we're not as close to AGI as the hype suggests)
๐๏ธ UCL ๐๐จ๐๐๐๐ฌ๐ญ ๐ฌ๐ฉ๐จ๐ญ๐ฅ๐ข๐ ๐ก๐ญ: ๐๐ฉ๐จ๐ซ๐ญ ๐๐ง๐ ๐ฌ๐ฎ๐ฌ๐ญ๐๐ข๐ง๐๐๐ข๐ฅ๐ข๐ญ๐ฒ ๐ป๐๐๐๐๐๐๐ ๐๐๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐๐ ๐ Simon Chin-Yee & me joined by Dan Hall, @sofiejungep, Russell Seymour ๐ Listen and share: tinyurl.com/ucl-genone #UCLGenerationOne
Wherever you live in the world, your climate is getting warmer. 21st June is #ShowYourStripes day when we ask everyone to use the warming stripes to talk about how we are already experiencing the consequences of climate change. Download your stripes: ShowYourStripes.info
New and exclusive! ๐จ๐๐ฅ Watch @davidcrosss and Prof Michael Oppenheimer discuss the climate crisis far too frankly - in the US launch of the "Climate Science Translated" hit series. Contains an appropriate level of swearing.
The Seven Stages of climate denial: 1. It's not real 2. It's not us 3. It's not that bad 4. We have timeย 5. It's too expensive to fix 6. Here's a fake solution 7. It's too late: you should have warned us earlier Trolls use all of these stages to deny reality of #climatechange
The village of Blatten in Switzerland is partly buried by the collapse of a glacier which melted because our greenhouse gas emissions warmed the climate. Another reminder that not investing enough today to reduce emissions means far greater costs for society in the long term.
80% ๐๐ก๐๐ง๐๐ ๐ญ๐ก๐๐ญ ๐จ๐ง๐ ๐จ๐ ๐ญ๐ก๐ ๐ง๐๐ฑ๐ญ ๐๐ข๐ฏ๐ ๐ฒ๐๐๐ซ๐ฌ ๐ฐ๐ข๐ฅ๐ฅ ๐๐ฑ๐๐๐๐ 2024 ๐ฐ๐ก๐ข๐๐ก ๐ฐ๐๐ฌ ๐ญ๐ก๐ ๐ฐ๐๐ซ๐ฆ๐๐ฌ๐ญ ๐ฒ๐๐๐ซ ๐จ๐ง ๐ซ๐๐๐จ๐ซ๐ 86% chance that next five years will be warmer than 1.5ยฐC #climatechange is real wmo.int/news/media-cenโฆ

#geographer @ProfMarkMaslin @UCLgeography talking with @LBCNews about climate change, changes to our weather and its implications #geographerinthenews
We're going to become a country of two weather types, explains @ProfMarkMaslin to @SteveHReports on @LBCNews.
We're going to become a country of two weather types, explains @ProfMarkMaslin to @SteveHReports on @LBCNews.
I donโt usually post on X, for exactly the reasons explained in this Guardian piece, in my Hay Festival talk yesterday and in my book โA Climate of Truthโใ This platform is used by its owner and others to do great harm. There are much better alternatives.
I didn't see this yesterday evening, but here is @MikeBernersLee, saying pretty much what I was saying, in my thread. Not surprising really, as it is just the unvarnished truth. theguardian.com/books/2025/mayโฆ 1/2
News pod: @ProfMarkMaslin, @ucl on children's climate future; snake fanatic Tim Friede on antivenom; @mathiasdisney, @NCEOscience on satellite carbon monitoring; and Mark Williamson, @Cambridge_Uni on net zero baking. thenakedscientists.com/podcasts/nakedโฆ
๐จ IMPORTANT UPDATE ON ROGER HALLAM ๐จ Tough news: Roger will no longer post on social media from prison. The authorities have issued formal warnings over his growing media presence behind bars. This is an attack on free expression and an attempt to silence dissent. But we willโฆ