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World Weather Attribution

@wwattribution.bsky.social
8.1K followers 239 following 200 posts

Rapid attribution to uncover the influence of climate change on heatwaves, drought, wildfire, storms and floods.

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World Weather Attribution @wwattribution.bsky.social · 17/09/2026
NEW: Climate change is influencing many of the likely drivers behind the devastating rock and ice collapse on the northern Nepalese border last month. 🧵👇(1/6)
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World Weather Attribution @wwattribution.bsky.social · 19/08/2026
🌊 Climate change is causing European sea surface temperatures to surge: marine ecosystems are suffering 🌊 World Weather Attribution scientists analysed the record-breaking SSTs in Europe’s waters in July. They found that the event was primarily driven by climate change. (1/5)
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World Weather Attribution @wwattribution.bsky.social · 14/08/2026
Devastating floods in Assam were worsened by human factors - but not necessarily climate change. WWA scientists analysed the recent monsoon downpours that resulted in floods that killed at least 99, displaced hundreds of thousands and inundated tens of thousands of hectares of cropland. (1/4)
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World Weather Attribution @wwattribution.bsky.social · 31/07/2026
Human-induced climate change made the extreme fire weather that fuelled the recent destructive wildfires at least twice as likely in France and at least 20 times more likely in Spain, according to our new study.
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World Weather Attribution @wwattribution.bsky.social · 23/07/2026
➡️ Climate change is driving drought in Europe - but not how you might expect. While there isn't a clear signal for climate change impacting the dry weather, extreme heat is sucking more moisture out of the landscape. (1/3)
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World Weather Attribution @wwattribution.bsky.social · 16/07/2026
NEW: Climate change supercharged the rainfall that caused deadly flooding that killed almost 100 in Togo, Ghana and Cote d'Ivoire. The most extreme rainfall fell between June 20-22 across coastal regions with more than 140mm falling in less than 24 hours in some major cities. (1/5)
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World Weather Attribution @wwattribution.bsky.social · 26/06/2026
🔥NEW: Our study finds the ongoing European heatwave would have been impossible without climate change (1/6)
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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 · 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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World Weather Attribution @wwattribution.bsky.social · 20/03/2026
RAPID ANALYSIS: It would be ‘virtually impossible’ for the record-breaking March heat currently scorching the U.S. West to occur without climate change. We are seeing summer-like temperatures arrive exceptionally early from the Pacific to the Rockies this week. 🧵1/4
Sunset over LA - one of the areas currently experiencing extreme early season heat.
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World Weather Attribution @wwattribution.bsky.social · 18/03/2026
We’re excited to announce that @frediotto.bsky.social has been awarded Germany’s highest honour for her groundbreaking work on climate science and extreme weather. The award recognises her pivotal role in revolutionising attribution science: connecting extreme weather events to climate change.
Germany's ambassador to the U.K. Susanne Baumann presents Professor Friederike Otto with The Cross of the Order of Merit of the Federal Republic of Germany
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Grantham Institute - Climate Change and the Environment @granthamicl.bsky.social · 12/03/2026
After more than 70 killed in Brazil landslides, scientists at @wwattribution.bsky.social warn deadly downpours will worsen with further warming of the climate. buff.ly/OUV8Wz0
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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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World Weather Attribution @wwattribution.bsky.social · 12/03/2026
New study: Intense rainfall - like the deluge behind Brazil’s recent fatal landslides - will intensify as the planet continues to warm. Over 70 were killed in the state of Minas Gerais in late February with Juiz de Fora - the worst impacted city - seeing its wettest month on record. 🧵 1/4
Graph showing accumulated rainfall in Juiz de Fora, Brazil in the month of February since 1961. It shows 2026 as by far the wettest on record.
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World Weather Attribution @wwattribution.bsky.social · 26/02/2026
NEW STUDY: Winter downpours are getting heavier in parts of Spain, Portugal and Morocco as the region recovers from a month of relentless storms. Between mid-January and mid-February nine named storms brought torrential rain hurricane force winds causing major damage and disruption. 1/5
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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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Damian Carrington @dpcarrington.bsky.social · 11/02/2026
Some of world’s oldest trees hit by climate-fuelled wildfires in Patagonia - Some Alerce trees had stood undisturbed for thousands of years, say researchers, but global heating is now supercharging blazes @wwattribution.bsky.social #climatecrisis Story by me www.theguardian.com/world/2026/f...
theguardian.com
Some of world’s oldest trees hit by climate-fuelled wildfires in Patagonia
Wildfires that left 23 people dead were made about three times more likely by global heating, researchers say
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World Weather Attribution @wwattribution.bsky.social · 11/02/2026
NEW STUDY: Climate change is fueling deadly fires that threaten some of the world’s oldest living things: the ancient Alerce trees of Patagonia, which can live for over 3,000 years. Our analysis shows that human-induced warming is making weather conditions more conducive to fire. 1/5
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World Weather Attribution @wwattribution.bsky.social · 29/01/2026
💡New Study: Southern Africa was hit by intense rainfall this month. Our analysis has found that downpours in the region are now 40% more intense than they were in pre-industrial times. The resulting floods across Mozambique, South Africa, Zimbabwe, and Eswatini have been catastrophic. 🧵 (1/4)
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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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World Weather Attribution @wwattribution.bsky.social · 22/01/2026
🚨 NEW STUDY: As Australia prepares for another heatwave, our latest study found the early January heatwave which hit SE Australia was made 5x more likely due to climate change. What was once a relatively rare 1-in-25-year event is now expected about every 5 years. 🧵 1/6
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Peter Thorne @peterthorne.bsky.social · 24/09/2025
Great to see coverage of our first full @wasitusie.bsky.social study on RTE (and elsewhere). Kudos @clairebergin.bsky.social and Lionel swan as well as met Éireann colleagues and thanks as ever to @wwattribution.bsky.social for the hugely valuable collaboration www.rte.ie/news/ireland...
rte.ie
Record temperatures linked to human-caused climate change
New research by climate scientists at Maynooth University in conjunction with Met Éireann has found Ireland's record summer night time temperatures this year were made 40 times more likely by human-ca...
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Centre for Environmental Policy, Imperial @ic-cep.bsky.social · 05/09/2025
🚨 Wildfires in Spain & Portugal were made 40x more likely by climate breakdown, says @wwattribution.bsky.social “The sheer size of these fires has been astonishing,” adds CEP’s Clair Barnes (@clairbarnes.bsky.social) 🌍🔥 #ClimateCrisis #Wildfires
theguardian.com
Spain and Portugal wildfire weather made 40 times more likely by climate crisis, study finds
Wildfires were 30% more intense than would have been expected without global heating, scientists say
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Grantham Institute - Climate Change and the Environment @granthamicl.bsky.social · 04/09/2025
⚠️Climate change made the hot, dry and windy weather that fueled the deadly July wildfires in Spain and Portugal 40 times more likely 🧵 📝 ow.ly/SoRo50WPvih
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Clair Barnes @clairbarnes.bsky.social · 04/09/2025
The extremely hot, dry weather conditions that primed Spain and Portugal for this year's catastrophic wildfire season are no longer a rare occurrence thanks to human-caused warming. This probably shouldn't come as a surprise, but if it does, the full study is @wwattribution.bsky.social...
worldweatherattribution.org
Extreme fire weather conditions in Spain and Portugal now common due to climate change – World Weather Attribution
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World Weather Attribution @wwattribution.bsky.social · 04/09/2025
📣Job alert! We're hiring a Media Relations Manager at Imperial College London. Applications are closing tomorrow. www.jobs.ac.uk/job/DOK861/m...
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Climática @climatica.coop · 04/09/2025
❗ El cambio climático hizo 40 veces más probables y un 30% más intensas las condiciones que alimentaron los incendios de España y Portugal, según un estudio de atribución realizado por el @wwattribution.bsky.social .
f.mtr.cool
El cambio climático hizo 40 veces más probables y un 30% más intensas las condiciones que alimentaron los incendios de España y Portugal - Climática, el medio especializado en clima y biodiversidad
La ola de calor decretada durante los incendios fue 200 veces más probable y 3 °C más cálida debido al cambio climático, según un estudio de atribución ultrarrápido del World Weather Attribution.
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Centre for Environmental Policy, Imperial @ic-cep.bsky.social · 29/08/2025
🌡️ Scientists from @wwattribution.bsky.social say this summer’s wildfires in Greece, Turkey & Cyprus were 22% more intense & 10x more likely due to climate change. Events that were once 1-in-100-year now happen every 20 years. 🔥 #ClimateCrisis #Wildfires
bloomberg.com
Climate Change Made Turkey, Greece Wildfires 10 Times More Likely
Hot, dry and windy conditions in the eastern Mediterranean will happen more often in a warmer world.
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Covering Climate Now @coveringclimatenow.org · 31/08/2025
In an interview at @mongabay.com, @wwattribution.bsky.social researcher and environmental statistician @clairbarnes.bsky.social explains how attribution science, which helps scientists understand climate change’s impact on a particular extreme weather event, works.
buff.ly
How science links extreme weather disasters to climate change: Interview with WWA’s Clair Barnes
Human activities have been the major driver of climate change since the advent of the Industrial Revolution in the mid-1800s. As greenhouse gas levels, primarily carbon dioxide due to the burning of…
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Prof Friederike Otto @frediotto.bsky.social · 28/08/2025
One of the strongest, clearest increases in likelihood & intensity, attributable to climate change, I've seen in a complex index like fire weather - the more intense & frequent events in Greece & Türkiye are already outpacing efforts to adapt. www.worldweatherattribution.org/weather-cond...
map of the Aegean coast depicting change in vapour pressure deficit due to climate change
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Grantham Institute - Climate Change and the Environment @granthamicl.bsky.social · 28/08/2025
🔥Climate change made the weather that drove deadly wildfires in Türkiye, Greece and Cyprus 22% more intense. The study, by @wwattribution.bsky.social, examined weather conditions in the months and days leading up to and during the worst blazes in June and July this year 🧵
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Laura Millan @lauramillan.bsky.social · 28/08/2025
The wildfires that raged across Greece, Turkey and Cyprus this summer were 22% more intense and 10 times more likely than they would have been in a world without climate change, according to scientists at @wwattribution.bsky.social FREE link via @bloomberg.com www.bloomberg.com/news/article...
bloomberg.com
Climate Change Made Turkey, Greece Wildfires 10 Times More Likely
Hot, dry and windy conditions in the eastern Mediterranean will happen more often in a warmer world.
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Leo Barasi @leobarasi.bsky.social · 27/08/2025
One of the best climate science comms jobs around, helping journalists explain how climate change has influenced extreme weather events, working with a top bunch of scientists at @wwattribution.bsky.social including @frediotto.bsky.social. London based, closes 5 Sep
jobs.ac.uk
Media Relations Manager (World Weather Attribution and Grantham Institute) at Imperial College London
Explore professional services job openings, including the Media Relations Manager (World Weather Attribution and Grantham Institute) position, on jobs.ac.uk. Apply today and discover more about this r...
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Erik Hoffner @erikhoffner.bsky.social · 25/08/2025
Attributing extreme weather events to #climatechange is tricky But since 2014, the international network of researchers World Weather Attribution has pioneered methods that make it possible My @mongabay.com colleague spoke w/ @wwattribution.bsky.social's @clairbarnes.bsky.social to learn more:
news.mongabay.com
How science links extreme weather disasters to climate change: Interview with WWA’s Clair Barnes
Human activities have been the major driver of climate change since the advent of the Industrial Revolution in the mid-1800s. As greenhouse gas levels, primarily carbon dioxide due to the burning of f...
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Centre for Environmental Policy, Imperial @ic-cep.bsky.social · 20/08/2025
🌍 Leading the charge on climate action @imperialcollegeldn.bsky.social has 11 IPCC AR7 authors - the most of any institution! CEP’s Joeri Rogelj, Friederike Otto, Robin Lamboll & Jarmo Kikstra are shaping the science behind global policy. #IPCC #ClimateAction
imperial.ac.uk
Imperial researchers take leading role in major IPCC climate report | Imperial News | Imperial College London
Imperial has more authors contributing to a crucial report on climate change than any other organisation in the world.
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Prof Friederike Otto @frediotto.bsky.social · 14/08/2025
In July Fennoscandia was hit by a heatwave similar to one that hit the region in 2018. In just seven years, similar events have become almost twice as likely due to increased global temperatures from 1.1 to 1.3°C. Every fraction of a degree matters! www.worldweatherattribution.org/intense-two-...
Sunset over the sea with a big rock in the sea, distorting the light reflecting from the setting sun
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Grantham Institute - Climate Change and the Environment @granthamicl.bsky.social · 19/08/2025
“Even if climate change plays a big role in the weather event, what turns weather into a disaster is always strongly shaped by vulnerability and exposure". Read @wwattribution.bsky.social Dr @frediotto.bsky.social's comments for @grist.org on the Texas Floods: grist.org/extreme-weat...
grist.org
After the Texas floods, when is the right time to ask what went wrong?
The rare window to ask tough questions opens after a disaster. Too often, it closes before accurate answers can emerge.
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Climate Analytics @climateanalytics.org · 18/08/2025
Our Senior Scientist @fahadiii.bsky.social speaks to BBC News about how the fatal floods in Pakistan were made 15% more intense due to climate change. "If you consider that Pakistan's role in total emissions is less than 1%, it's a big case of climate injustice," he says @wwattribution.bsky.social
youtube.com
Flash floods kill more than 300 in Pakistan
YouTube video by Climate Analytics
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World Weather Attribution @wwattribution.bsky.social · 14/08/2025
Climate change made the relentless heatwave in Norway, Sweden and Finland about 2°C hotter and at least ten times more likely. Our latest study was published this morning. “This event should be taken as another reminder that no country is safe from climate change” - @frediotto.bsky.social 🧵
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Centre for Environmental Policy, Imperial @ic-cep.bsky.social · 11/08/2025
A new @wwattribution.bsky.social study shows climate change made Pakistan’s recent heavy rains 10-15% heavier, fuelling devastating floods that killed 300+ people and destroyed thousands of homes. It’s time to build resilient homes and slash emissions before it’s too late 🌍 #ClimateCrisis #Floods
edition.cnn.com
Pakistan’s deadly monsoon floods were worsened by climate crisis, study finds | CNN
Heavy rainfall that triggered floods in Pakistan in recent weeks, killing hundreds of people, was worsened by human-caused climate change, according to a new study.
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Grantham Institute - Climate Change and the Environment @granthamicl.bsky.social · 12/08/2025
Yet again, temperatures are pushing past 30°C in parts of the UK. This is the fourth heatwave of the year and climate change is making today's temperatures about 2-4°C hotter, says scientists at @wwattribution.bsky.social 🧵
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World Weather Attribution @wwattribution.bsky.social · 07/08/2025
Heavy monsoon rains have led to more than 300 deaths in Pakistan since late June. Climate change increased the downpours by about 15% 📈 Our latest study, focusing on the hardest-hit north of the country, was published this morning 🧵
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Prof Friederike Otto @frediotto.bsky.social · 07/08/2025
Heavy, deadly monsoon rainfall in Pakistan has become more intense with climate change - about 15%, but it could be as high as 40 - 80%: www.worldweatherattribution.org/climate-chan...
a map of rainfall over the study region population density over the study region
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Prof Friederike Otto @frediotto.bsky.social · 05/08/2025
My book - ClimateINJustice is shortlisted for the @wainwrightprize.bsky.social ! Really happy about this, as it's not traditional conservation writing - but conserving & fighting for us humans & our rights wainwrightprize.com/shortlist-20...
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Climate Analytics @climateanalytics.org · 06/08/2025
New research from @wwattribution.bsky.social and ‪@fahadiii.bsky.social‬ shows that climate change made Pakistan’s deadly monsoon floods ~15% heavier. Flooding killed at least 300 people. Events like these underscore the danger of overshooting 1.5°C. www.worldweatherattribution.org/climate-chan...
A detail from a map of Pakistan showing the area studied, with more intense accumulated rainfall around Islamabad and the eastern region of the country.
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Peter Thorne @peterthorne.bsky.social · 06/08/2025
Our first attribution study from WASITUS (yes we did torture that acronym) on the July heatwave in Ireland is out: www.rte.ie/brainstorm/2.... The project aims to provide operational attribution on future noteworthy events and when not required nationally row in + support @wwattribution.bsky.social
rte.ie
Are hot Irish days worsening due to climate change?
A climate attribution study has found that last month's mini-heatwave can be linked to human-influenced climate change
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Dr Claire Bergin @clairebergin.bsky.social · 06/08/2025
A short article on our 'mini-heatwave' study has been published by @rtebrainstorm.bsky.social. This is the first report by the new @wasitusie.bsky.social project with @peterthorne.bsky.social. Funded by EPA and in conjunction with Met Éireann and @wwattribution.bsky.social
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World Weather Attribution @wwattribution.bsky.social · 17/07/2025
Extreme rainfall hit Colombia and Venezuela in late June. One landslide near Medellín killed 27 people. Our latest study couldn’t determine how climate change influenced the downpours. Why? A scarcity of data and poor model performance. 🧵 📷: Alcaldía de Bello
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Prof Friederike Otto @frediotto.bsky.social · 17/07/2025
What caused deadly landslides in Colombia? Finding out, should be easier. Tropical climates are complex, but if data are held by companies & organisations hiding them behind walls of bureaucracy it becomes impossible. @wwattribution.bsky.social study: www.worldweatherattribution.org/growing-expo...
picture of a landslide in Medellin
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