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Prof Friederike Otto

@frediotto.bsky.social
19K followers 57 following 116 posts

🇬🇧 🇪🇺 physicist, philosopher, lead www.worldweatherattribution.org, author of Climate InJustice greystonebooks.com/collections/curr…, she/her

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Prof Friederike Otto @frediotto.bsky.social · 01/10/2026
After a year of many experiencing the brutal reality of climate change, not least in Nepal, COP31 will happen & could provide an opportunity to bring the urgent need to massively accelerate global action on climate change back in focus- maybe - we'll talk about it: www.imperial.ac.uk/events/21370...
the poster announcing the event, same text as in link
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Erik Marquardt @erik-marquardt.eu · 01/10/2026
Heute wird der westfälische Friedenspreis an die NATO verliehen. Die Frauen in der Jury hatten viele konstruktive Vorschläge für alternative Preisträger gemacht, konnten sich aus unerfindlichen Gründen aber nicht durchsetzen.
Screenshot der Website der Wirtschaftlichen Gesellschaft für Westfalen und Lippe (WWL), Bereich „Internationaler Preis des Westfälischen Friedens“: ein Raster mit elf Porträtfotos von männlichen Jurymitgliedern, jeweils mit Name und Funktion.
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Prof Friederike Otto @frediotto.bsky.social · 17/09/2026
What are known causal factors behind rock-ice avalanche near Nepal–Tibet border? @wwattribution.bsky.social Vulnerable slope, potentially weakened by 2015 earthquake, definitely destabilised by climate change through glacier retreat & permafrost thaw. www.worldweatherattribution.org/rapid-warmin...
Height of the 0C isotherme in recent years around the rock-failure
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David Ho @davidho.bsky.social · 08/09/2026
🧵CO₂ removal (CDR) is back in the news, but just because the UNEP report says we need CDR, it doesn't mean we'll have CDR. Many challenges will take decades of research and negotiation to solve. Here are some examples: Technological: We currently don't have any durable CDR method that scales.
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David Ho @davidho.bsky.social · 08/09/2026
I think the way to read the UNEP report isn't "we'll miss the 1.5°C target so we need CDR to reach it", but "we'll miss the 1.5°C target, and we need to decarbonize ASAP because wherever we end up is where we will stay for a long time." www.unep.org/resources/li...
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IPCC @ipcc.bsky.social · 01/09/2026
📣 Registration is now open for experts to review the First Order Draft of the Working Group I contribution to IPCC’s Seventh Assessment Report. Experts can register until 25 Sept 2026 👉https://bit.ly/4vi25cq Review period 10 Aug to 2 Oct 🔗 bit.ly/WGI7Fod
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Prof Friederike Otto @frediotto.bsky.social · 19/08/2026
Europe’s seas are experiencing heat that would have been virtually impossible in a pre-industrial climate. In the Mediterranean, summer SSTs have intensified by 3°C, far exceeding global warming, destroying marine life & dramatically altering our seas. www.worldweatherattribution.org/climate-chan...
a map of sea surface temperature anomalies in July 2026 around the European coast showing very warm anomalies in the Atlantic and Mediterranean
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Clair Barnes @clairbarnes.bsky.social · 14/08/2026
Just in case it wasn't already clear... Burning fossil fuels -> more greenhouse gas pollution -> more warming -> super-charged heatwaves + enhanced drought + super-flammable conditions -> all of this. And it's only going to get worse from now on. We really do need to stop.
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George Monbiot @georgemonbiot.bsky.social · 06/08/2026
I know he has a lot on, but in the midst of a ferocious drought, fires, heat events and severe threats to food production, it would be quite edifying to hear Andy Burnham mention climate breakdown.
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Prof Friederike Otto @frediotto.bsky.social · 06/08/2026
Yet another fire season that has been made more severe due to the burning of fossil fuels - displacing communities, killing ecosystems, putting huge strain on health systems & fire fighting capacities. New @wwattribution.bsky.social study on Canada www.worldweatherattribution.org/climate-chan...
Three graphics showing months of the year on the x-axis, burned area on the y-axis for Canada as a whole and Ontario and the Northwest Territories separately. Highlighting the years 2026, 2025, 2024 and 2023 as well as the 2003-2022 mean.
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Caroline Lucas @carolinelucas.bsky.social · 30/07/2026
Is “pragmatic” the new, “grown up” word? Andy, there’s nothing “pragmatic” about drilling for more oil & gas - to even consider it with the planet literally on fire is total madness. How many times must we say it will do nothing for energy bills or security? It would be an act of utter recklessness
theguardian.com
Burnham promises ‘pragmatic’ approach to North Sea oil and gas
PM tells reporters the government cannot ignore the energy resource ‘when people are struggling’
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Prof Friederike Otto @frediotto.bsky.social · 31/07/2026
A succession of heatwaves and very dry conditions - both driven by human-induced climate change, fueld the severe wildfires in Spain and France - new @wwattribution.bsky.social study www.worldweatherattribution.org/climate-chan...
Map of Southern France and Northern Spain with the burnt area in July highlighted as red polygons and the study areas around Madrid and Bordeaux outlined.
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Jeff Goodell @jeffgoodell.bsky.social · 27/07/2026
ExxonMobil will report second quarter earnings in a few days. Most analysts expect profits for the quarter will more than double compared to last year, from $7 billion to about $16 billion.
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Prof Friederike Otto @frediotto.bsky.social · 03/07/2026
250 years of burning fossil fuels fuelled a record shattering humid heatwave in Eastern North America for the 250th anniversary celebrations on 4th of July. Turning any outdoor activities into a dangerous health risk. - @wwattribution.bsky.social www.worldweatherattribution.org/fossil-fuels...
Timeseries of the highest 5-day wet bulb globe temperature over a region bounded by the box to 95°W to 67°W and 35°N to 50°N. 2026 by far highest value highlighted in pink.
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Prof Friederike Otto @frediotto.bsky.social · 03/07/2026
I'm not at UCL profiles.imperial.ac.uk/f.otto
profiles.imperial.ac.uk
Discovery
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Prof Friederike Otto @frediotto.bsky.social · 26/06/2026
Europe's worst heatwave so far, in terms of heat stress measures and temperatures - brought to you by fossil fuels. New @wwattribution.bsky.social study showing how such deadly heat became possible in only a few decades. www.worldweatherattribution.org/fossil-fuel-...
A map of Europes with dots for all 854 cities analysed, pink dots for the cities that broke humid heat records, grey dots elsewhere. Pink dots conentrated over Southern UK, Germany, Poland and Benelux.
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Prof Friederike Otto @frediotto.bsky.social · 16/06/2026
Is Lliuya v RWE reshaping climate litigation? In our new paper, Petra & I unpack the court’s approach to causation, risk, and nuisance law, examine its limited engagement with physics and IPCC science, and why this matters for future climate claims. shorturl.at/yxJuo
A picture of a bird flying out of a book
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Prof Friederike Otto @frediotto.bsky.social · 12/06/2026
Ich rede von Institutionen, Gerichte, Gesundheitssystem etc. eben genau nicht Tech. Falls irgendwen der Kontext zu dem Quote interessiert.
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World Weather Attribution @wwattribution.bsky.social · 10/06/2026
NEW: An estimated 7% of the entire population of the critically-endangered Tapanuli Orangutan were killed in a single weather event, according to research led by Borneo Futures with @frediotto.bsky.social as an author. An estimated 58 Orangutans were killed by landslides during Cyclone Senyar (1/4)
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Prof Friederike Otto @frediotto.bsky.social · 04/06/2026
Worried about El niño? Conflict and climate change are much bigger drivers of risk, on extreme heat across Asia. During the last El Niño climate change was by far the largest driver of extreme heat, while conflict in West Asia makes people much more vulnerable & exposed. doi.org/10.1016/j.wa...
Two risk diagrams showing the hat risk for West Asia vis a vis South and South East Asia to highlight how in West Asia the conflict and displacement increases Vulnerability, Exposure and Response options.
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Prof Friederike Otto @frediotto.bsky.social · 15/05/2026
Every year now, the pre-monsoon heat (the hottest time of year in South Asia with temperatures well over 40°C) starts earlier & lasts longer - due to human-induced climate change - exposing 1billion people to deadly heat. @wwattribution.bsky.social www.worldweatherattribution.org/climate-chan...
two maps and two timeseries showing the extreme heat conditions in South Asia in April 2026.
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World Weather Attribution @wwattribution.bsky.social · 14/05/2026
NEW: Players and fans face increased heat danger at the 2026 FIFA World Cup, since USA '94. Our results show that from Miami to Kansas City, climate change is increasing the risk of playing the World Cup in much of the northern hemisphere during summer. (1/2)
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Prof Friederike Otto @frediotto.bsky.social · 14/05/2026
Hot, sweaty, exciting - and increasingly deadly. Climate change will be an unwelcome but very present player in the upcoming FIFA World Cup in North America - especially in the fan zones. New @wwattribution.bsky.social study. www.worldweatherattribution.org/climate-chan...
A table of stadiums with information on the likelihood of games happening under extremely hot conditions.
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Martin A. Nuñez @martin-nunez.bsky.social · 30/04/2026
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Blätter für deutsche und internationale Politik @blaetter.bsky.social · 27/04/2026
Anlässlich unseres 70-jährigen Bestehens erweitern wir unseren Herausgeber:innenkreis. 🤩 Wir freuen uns, heute die neuen Herausgeberinnen und Herausgeber vorstellen zu dürfen: (1/3)
blaetter.de
Neue Köpfe für die »Blätter«
Oft war nach dem Tod von Jürgen Habermas am 14. März in den zahlreichen Nachrufen die Rede von der Zäsur, die sein Ableben für das intellektuelle Leben der Bundesrepublik bedeutet. Für unsere…
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Clair Barnes @clairbarnes.bsky.social · 20/03/2026
A heat dome in north America is producing record-shattering March temperatures, made even more deadly by human-caused warming. A super-rapid study from @wwattribution.bsky.social shows the risk of temperatures as high as these is now four times what it was just a decade ago 😱
A chart showing the seasonal cycle of daily maximum temperatures averaged over a large part of the western US (smoothed over a running 5-day mean). The average seasonal cycle from 1950-1979 (what we used to expect) is shown in blue, and the average from 1996-2025 (what we expect now) is in red. The red line is always above the blue line, and in March is several degrees higher. A black line shows the temperatures recorded this year, which reached more than ten degrees C above what we would expect in March, a level described by scientists as 'what the frickadoodles?'

Image credit goes to @bennethclarke.bsky.social
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Prof Friederike Otto @frediotto.bsky.social · 20/03/2026
If we still had him he'd definitely have made us do a few more in 2days!
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Prof Friederike Otto @frediotto.bsky.social · 20/03/2026
March in Western North America is deadly hot, completely above temperatures that would have been possible without climate change from burning oil, coal and gas. New record shatteringly rapid @wwattribution.bsky.social study www.worldweatherattribution.org/record-shatt...
two images describing the March heat wave, left a map showing temperature anomalies, right, the seasonal cycle and the anomalies this year
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Prof Friederike Otto @frediotto.bsky.social · 12/03/2026
In a rapidly warming world, landslides in high-risk areas are happening sooner rather than later. Making it paramount to reduce exposure & stop the rapid warming. New @wwattribution.bsky.social study on Juiz de Fora landslides www.worldweatherattribution.org/unplanned-ur...
Timeseries of February rainfall in Juiz de Fora, highlighting the exceptionally high rain in 2026 of 752 mm, the second highest record in 1979 was only just above 400 mm.
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Prof Friederike Otto @frediotto.bsky.social · 10/03/2026
If you have a cat, dog or rat, yes!!! (& I know you do)
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Prof Friederike Otto @frediotto.bsky.social · 10/03/2026
Yes! Go and work with us, @joerirogelj.bsky.social & me and the whole @wwattribution.bsky.social team. You don't even have to be young, you can be old and do intersting climate related reserach!
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Prof Friederike Otto @frediotto.bsky.social · 26/02/2026
The Mediterranean is a hotspot of climate change, not only due to more heat, droughts and wildfires, but increasingly severe rainstorms led to catastrophic flooding this winter, highlighting again the urgent need to transition away from fossil fuels. www.worldweatherattribution.org/increasingly...
Maps of the rainfall associated with two of the nine storms hitting the Mediterranean in January and February 2026.
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Prof Friederike Otto @frediotto.bsky.social · 11/02/2026
Patagonian wildfires show how denying climate change & pushing environmental destruction make the reality of climate change much worse. Threatening the destruction of trees that have been alive when the bronze age collapsed. @wwattribution.bsky.social www.worldweatherattribution.org/climate-chan...
a map of southern south America showing the location of burning fires with lots of red dots.
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Prof Friederike Otto @frediotto.bsky.social · 05/02/2026
It was a tough decision, lots of really good submissions. I’m mostly very happy with where we landed. Enjoy! - & tell me if you think I have terrible taste.
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Prof Richard Betts @richardabetts.bsky.social · 01/02/2026
This new video from @climateadam.bsky.social is even more brilliant than usual - insightful and hilarious 🧐🤣❤️ www.youtube.com/watch?v=py0X...
youtube.com
Climate Scientist Reacts to AI Overlords
YouTube video by ClimateAdam
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Prof Friederike Otto @frediotto.bsky.social · 29/01/2026
Quadruple whammy: High exposure, vulnerability, La Niña and human-induced climate change turned very heavy rainfall into a disastrous deluge around the Limpopo, Umbeluzi, Maputo, Incomati, Save and Buzi rivers. - new @wwattribution.bsky.social study www.worldweatherattribution.org/la-nina-clim...
a map of Southern Africa highlighting the area of heavy rain
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Prof Friederike Otto @frediotto.bsky.social · 22/01/2026
While Australian heatwaves were some of the very first extreme events attributed to climate change, people still underestimate how much worse they got - killing more people than all other natural hazards combined. New @wwattribution.bsky.social study. www.worldweatherattribution.org/climate-chan...
A map of southeastern Australia showing the temperature anomalies during the heatwave.
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Prof Friederike Otto @frediotto.bsky.social · 30/12/2025
Looking back to @wwattribution.bsky.social studies in 2025 showed again, in stark terms, how unfairly the consequences of human-induced climate change are distributed. The world does not have to be like this, we have a lot of agency to make it better. www.worldweatherattribution.org/unequal-evid...
a world map with locations of extreme weather event studies by WWA in pink & yellow dots
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Prof Friederike Otto @frediotto.bsky.social · 11/12/2025
In the world we live in today, that is 1.3C warmer due to our continued burning of fossil fuels, the extreme rainfall leading to disastrous flooding in many parts of Asia is up to 50 to 160% more intense - new @wwattribution.bsky.social study www.worldweatherattribution.org/increasing-h...
map of Sri Lanka with heavy rainfallmap of Sumatra and Malaysia showing heavy rainfall between November 23rd and 27th
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Blätter für deutsche und internationale Politik @blaetter.bsky.social · 27/11/2025
📬 Ab heute im Briefkasten: Die Dezember-»Blätter«! Mit Texten von: @frediotto.bsky.social, @meronmendel.bsky.social, @lisalandenberger.bsky.social, @kristinhelberg.bsky.social, @bickel.bsky.social, @tobiaslambert.bsky.social u.v.m. 👉 www.blaetter.de/ausgabe/2025...
Die Dezember-Ausgabe der »Blätter«
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Prof Friederike Otto @frediotto.bsky.social · 21/11/2025
Watch, @fisherdanar.bsky.social , @davidho.bsky.social and me talk about corporate capture, cat capture and where we think things climate could be in 5 years. cece.american.edu/copout-episo...
screenshot of podcast recording with cat
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Dana R. Fisher (aka the Apocalyptic Optimist) @fisherdanar.bsky.social · 21/11/2025
🎙️ Episode 4 of the COPOut Podcast is LIVE! Tune in to hear from @davidho.bsky.social and @frediotto.bsky.social as they discuss what we know and what we still need to understand (as well as what makes them angry with the climate regime). cece.american.edu/copout-episo...
cece.american.edu
COPOut Episode 4: On Measurement and Attribution - Center for Environment, Community, & Equity (CECE)
In our fourth episode of the COPOut Podcast, Dr. Dana R. Fisher talks with guest experts who help us understand where we are in measuring carbon and attributing the effects that climate change is havi...
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Prof Friederike Otto @frediotto.bsky.social · 21/11/2025
Two years ago, we did a study on a devastating drought in the Fertil Crescent. Due to climate change and water governance disputes the drought is still ongoing. Teheran might be running out of water, if it doesn't start raining soon. Our update: www.worldweatherattribution.org/human-induce...
maps of rainfall deficit & agricultural drought for the last 5 years over Iran and the Euphrates and Tigris basin.
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David Ho @davidho.bsky.social · 20/11/2025
I might have failed at my assignment from @fisherdanar.bsky.social to say what makes me hopeful about climate, but I think @frediotto.bsky.social and her team's work that would enable us to hold polluters responsible should be a source of hope. Tune in to Episode 4 of the #COPOut Podcast tomorrow!
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Prof Friederike Otto @frediotto.bsky.social · 13/11/2025
Shortly before hurricane Melissa hit the Caribbean, capturing global media attention, Mexico suffered from severed flooding, killing more than 78 people and destroying infrastructure; disproportionally affecting indigenous communities. www.worldweatherattribution.org/heavy-rainfa...
maps of rainfall  in Mexico during the rainy season and the flood inducing event
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Prof Friederike Otto @frediotto.bsky.social · 13/11/2025
Thank you so much! 😍
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Wim Thiery @wimthiery.eu · 13/11/2025
Many congratulations to the amazing @frediotto.bsky.social for receiving the Hans Oeschger Medal! This career award from the @egu.eu Climate Division underlines the ground-breaking research Fredi did on many fronts, most notably on near-realtime extreme event attribution @wwattribution.bsky.social
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Prof Friederike Otto @frediotto.bsky.social · 12/11/2025
Thank you! Stepping in big shoes 😊
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Prof Friederike Otto @frediotto.bsky.social · 12/11/2025
Well, they don’t have pedestrian crossings in Kensington either… so, people are definitely unwelcome.
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Rosemary Mosco @rosemarymosco.com · 11/11/2025
Baby pigeon mystery. My pigeon book is here: www.hachettebookgroup.com/titles/rosem...
A six-panel comic. In panel 1, text says "People often wonder, why don't I see baby pigeons? Here's where they're hiding:" and there's an egg with an arrow pointing to a question mark, then an arrow pointing to an adult pigeon. Panel 2 says "Pigeons don't nest in trees. They nest in sheltered spaces on or in buildings. This keeps their babies safe from weather and predators." There's a pigeon nesting in a sheltered cavity in the side of a building. Panel 3 says "The hidden babies look like this: like moldy potatoes, but cute" and there are two baby pigeons looking, well, like moldy pink and gray potatoes with yellow fuzz. Panel 4 says "Older baby pigeons hide in plain sight. When they leave the nest, they're adult-sized, but they're still young and learning" and a fledgling pigeon is flying out of a building saying "aaaaaa". Panel 5 says "Here's how to identify these young pigeons" and shows a fledgling pigeon with arrows pointing to these features: eyes may be gray-brown, pale-edged feathers, smaller "nose" (cere), subdued hues, and looks worried. Panel 6 says "Scientifically speaking, though, all pigeons are sweet babies" and there are three very cute round pigeons, a gray, white, and red one, with arrows pointing to them to make things look scientific.
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