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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 · 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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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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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

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

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 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...

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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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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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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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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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Prof Friederike Otto @frediotto.bsky.social · 11/11/2025

I've got a medal! And not just any, but the Hans Oeschger Medal from the EGU, for outstanding contributions to research on climatic changes. www.egu.eu/news/1551/eg...

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Prof Friederike Otto @frediotto.bsky.social · 06/11/2025

If we do not seriously move away from burning fossil fuels, hurricanes like Melissa will only become worse. Already today Melissa tested the limits of what preparedness and adaptation can do. These limits are very real for everyone in the Caribbean. www.worldweatherattribution.org/climate-chan...

The wettest 5-day period in each location between 19-29 October 2025, which is related to the passage of Melissa. The track of Hurricane Melissa at 12 hour intervals is shown as a series of pink points. Data from MSWX

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Annika Brockschmidt @ardenthistorian.bsky.social · 20/10/2025

Vorschieben, Frauen & Mädchen schützen zu wollen, als würde sexualisierte Gewalt vor allem von Migranten ausgehen, ist so hanebüchen wie perfide. Es ist rassistisch und misogyn zugleich - und eine klassische Erzählung von Rechtsextremen, die im Übrigen nicht auf "Schutz", sondern Besitzanspruch fußt

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Roland Pease @peaseroland.bsky.social · 17/10/2025

The sharp rise in hot days since the 2015 Paris climate accord, + alarming future risks lead Science in Action this week with @wwattribution.bsky.social's @frediotto.bsky.social. Also the Int'l Drought Expt's Mendy Smith on devastating multiyear droughts on grasslands. www.bbc.co.uk/programmes/w...

bbc.co.uk

BBC World Service - Science In Action, Paris agreement impacts and drought realities

10 years on from the Paris climate agreement, has it helped at all?

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Prof Friederike Otto @frediotto.bsky.social · 16/10/2025

The Paris Agreement offers a powerful framework for a fairer, healthier world. But as extreme heat shows, every tenth of a degree matters. We need higher ambition to stop violating the rights of ever more people. - new @wwattribution.bsky.social study www.worldweatherattribution.org/ten-years-of...

frequency of extreme heat in Mali & Burkina Faso under different warming scenarios

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Prof Friederike Otto @frediotto.bsky.social · 02/10/2025

Very exciting “job” I’ll have over the coming months. Can’t wait to see how & where this dearly needed field of fiction is moving. 📕📗⚖️🔥

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Prof Friederike Otto @frediotto.bsky.social · 26/09/2025

Planetary boundaries sound very abstract & high level, this year, for the first time @eraju.bsky.social & I contributed a chapter how breaching these boundaries has affected people around the world: losing lives, livelihoods, health… & for whom the limits of adaptation have been reached.

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Prof Friederike Otto @frediotto.bsky.social · 23/09/2025

After almost a decadal hiatus, back at KMD in Nairobi, running a @wwattribution.bsky.social workshop with three superstars: @clairbarnes.bsky.social, Joyce Kimutai & Emmanuel Raju (who somehow didn't make it to blue sky yet).

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