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World Weather Attribution @wwattribution.bsky.social · 17/09/2026

@bennethclarke.bsky.social said the "fingerprints of climate change are clear to see in these long-term changes." “While this is a complex event, our analysis brings together scientists with a diverse range of expertise to set out the factors that likely contributed to this catastrophe." (5/6)

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World Weather Attribution @wwattribution.bsky.social · 17/09/2026

The disaster was also preceded by unusually warm summer temperatures with the 3 days prior over 5C above average. Climate change has pushed July/Aug temperatures in the region up by about 1.5C to date, and 2C annually - surpassing the average global rate (about 1.4C to date). (4/6)

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World Weather Attribution @wwattribution.bsky.social · 17/09/2026

Geological factors are also likely to have played a role. A 7.8 magnitude earthquake in 2015 is likely to have further preconditioned the slope for collapse, and potentially opened new cracks for meltwater ingress. (3/6)

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World Weather Attribution @wwattribution.bsky.social · 17/09/2026

A team of WWA scientists and glaciologists found that the collapse was a compound disaster with climate change worsening factors including glacial thinning, melting permafrost and meltwater ingress - with the freezing line (0C isotherm) rising by about 100m per decade (2/6)

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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

Prof. Friederike Otto said: “Our seas are heating at a rate that is outpacing global warming averages, with direct consequences for life on land as well as at sea. By delaying the inevitable shift away from fossil fuels, we’re pushing many ocean ecosystems closer to extinction.” (4/5)

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World Weather Attribution @wwattribution.bsky.social · 19/08/2026

WWA analysed four coastal regions and found that climate change - primarily from burning fossil fuels - has directly caused about 2°C of warming in the Mediterranean, 1.4°C of warming in the Bay of Biscay and the Iberian Peninsula, and 1.3°C in the Celtic region. (3/5)

Anomalies (i.e., departures from normal) in July 2026 sea surface temperatures around Europe with respect to the 1990-2020 climatological average for July. Data: OISST NOAA.

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World Weather Attribution @wwattribution.bsky.social · 19/08/2026

Europe's marine heatwaves reached 6°C above normal this summer and the impacts are severe: declining species, ecosystems shifting, fisheries & aquaculture disrupted. Warmer seas also drive coastal humidity, increasing the risks of extreme heat on land. (2/5)

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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

Dr. Mariam Zachariah said: “A lack of a clear trend today does not make the region immune to future warming. As global temperatures continue to climb, monsoon dynamics across South Asia will keep shifting, making proactive land and river management even more urgent.” (3/4)

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World Weather Attribution @wwattribution.bsky.social · 14/08/2026

They found that the rain is common - expected at least every 2 years - and there was no clear role for climate change - though data limitations increases uncertainty. Rapid urbanisation, deforestation, insufficient flood mitigation and colonial-era land regulations worsened the disaster (2/4).

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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

@clairbarnes.bsky.social said: “These aren’t fires burning in remote areas, they are happening in close proximity to where people live. Every fraction of a degree of warming pushes us into unknown territory, and these fires show exactly what that risk looks like.”

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World Weather Attribution @wwattribution.bsky.social · 31/07/2026

In today’s climate, events of this intensity are expected to occur once every 20 years in southwestern France and once every six years in central Spain.

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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

As Dr. Sarah Kew, Climate Scientist at @knmi.nl says; “We are seeing water supplies evaporate out of our soils and rivers faster than we would have in a world without climate change, turning what would have been manageable dry spells into severe droughts. (2/3)

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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

“This study is a clear example of the need for international cooperation on climate justice. Industrialised nations have a responsibility to help nations like Togo, Cote d’Ivoire and Ghana to adapt to a worsening problem that they didn’t cause.” (4/5)

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World Weather Attribution @wwattribution.bsky.social · 16/07/2026

Lead author Dr. Joyce Kimutai: “Climate models typically struggle to capture the full scale of tropical precipitation trends when we look at extreme events like this one. As such, the fact that we found such a role for climate change is significant." (3/5)

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World Weather Attribution @wwattribution.bsky.social · 16/07/2026

Observations-based data shows us that rainfall intensity has risen by 23%, with events like this one now 5x more likely. Climate models-which historically struggle to replicate events like this in Global South regions-showed a smaller 4% increase in intensity and 20% increase in likelihood. (2/5)

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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

🌎 El-Ni-no: El Nino was found to have played no role in the heat. (5/6)

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World Weather Attribution @wwattribution.bsky.social · 26/06/2026

🌚 The climate is rapidly changing. The remarkable overnight temperatures keeping many awake are about 100x more likely today than they were as recently as 2003, date of the first major European heatwave this century. (4/6)

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World Weather Attribution @wwattribution.bsky.social · 26/06/2026

🌡️ Both daytime and overnight temperatures would have been virtually impossible to occur as recently as 1976 - just 50 years ago. If this heatwave was happening back then, it would be 3.5°C cooler. (3/6)

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World Weather Attribution @wwattribution.bsky.social · 26/06/2026

💧 No doubt you've noticed the humidity: a remarkable 45% of 854 cities across 30 European countries have broken, or are expected to break, their all-time Wet Bulb Globe Temperature (WBGT) record. WBGT is a measure of heat stress and the body’s ability to cool itself through sweat evaporation. (2/6)

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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

- Attribution analysis shows that human-induced climate change increased the rainfall intensity by between 9 and 50%. @frediotto.bsky.social: “This study is a stark demonstration of how intertwined the crises of climate change and biodiversity loss are." (3/4)

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World Weather Attribution @wwattribution.bsky.social · 10/06/2026

Approximately 8,300 hectares of forest, accounting for about 11.7% of the forest cover in the West Block of the Batang Toru region, were affected by landslides triggered by extreme rainfall. (2/4)

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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

Dr Joyce Kimutai: “Half of human-caused climate change has occurred since USA ‘94. The climate the tournament is played in today has fundamentally shifted in just 32 years.” 🔗https://www.worldweatherattribution.org/climate-change-big-player-at-fifa-world-cup-2026/ (2/2)

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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

Heat is the #1 weather-related killer in the U.S.. Early-season is especially dangerous because our bodies haven't acclimatised yet. As @frediotto.bsky.social puts it: "The seasons that people and nature were used to for centuries are disappearing...Our policy must catch up to this reality." (3/4)

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World Weather Attribution @wwattribution.bsky.social · 20/03/2026

This event is now about 4 times more likely than it would have been just 10 years ago, and about 1.4°F (0.8°C) hotter. The mercury is rising about 4.7°F (2.6°C) higher than it would have done in a pre-industrial world. (2/4)

Two figures showing the forecast temperature anomaly over the study region as well as the seasonal cycle of daily maximum temperatures and where this year's event sits.

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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 are living through challenging times, and this honour reinforces the vital role that science plays in the public interest. In the face of these challenges we will continue to play our part highlighting the links between worsening weather extremes and the carbon our societies continue to burn.”

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World Weather Attribution @wwattribution.bsky.social · 18/03/2026

In receiving the award, @frediotto.bsky.social said: "I am deeply honoured to receive this recognition, but this award also belongs to my team. Science is a collaborative endeavour and the global impact of World Weather Attribution is a direct result of their tireless work and dedication too."

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World Weather Attribution @wwattribution.bsky.social · 18/03/2026

The award was presented by the German Ambassador to the United Kingdom, Susanne Baumann, on March 17 2026 in London. @frediotto.bsky.social was nominated by Annalena Baerbock, Germany’s foreign minister from 2021 to 2025 and now President of the U.N. General Assembly.

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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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.

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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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