Today has been the hottest day in May on record with Kew Gardens provisionally reaching 34.8°C - exceeding the previous highest May temperature in the UK by a full 2 degrees Celsius🌡️ This heat would be exceptional in the UK even in mid summer, let alone in May📈

None of us alive will experience climate better than what we have now. How much worse it gets is up to us.

📣Out now! We are pleased to release the European State of the Climate 2025 report, published jointly by #CopernicusClimate @ecmwf.int & @wmo-global.bsky.social#CopernicusClimate Explore climate conditions, key events of 2025 in Europe, long-term climate indicators, climate policy and action for biodiversity, more! ⬇️

Svalbard is thawing in April, and it’s not supposed to. 2026 ground temperatures at 0.2m depth in Svalbard spiking to 0°C in April, far exceeding the 1998-2025 median and maximum

An exceptionally strong storm in the Norwegian Arctic zone, with wave heights exceeding 10 m. 🌊🧊 #Sentinel-1 data shows how the storm pushed the ice edge over 100 km northward over a couple of days! gif 👉 #CDSE

Aldri før har vi registrert et så varmt år som 2025🌡️ De høye temperaturene er sterkt knyttet til menneskeskapte klimaendringer, ifølge en helt ny rapport. Sammenligner vi temperaturen i 2025 med før-industriell tid (1871-1900), var det 2,8 grader varmere i 2025. 👉 www.met.no/nyhetsarkiv/...

#CopernicusClimate has released its first data from the Copernicus pan-Arctic Regional Reanalysis (CARRA2): 2.5 km pan‑Arctic coverage, 24 years of data in the Climate Data Store, more realistic physics & improved details for local extremes, lots of added details with respect to ERA5. ⬇️

Record warm conditions continue in the northernmost portions of the #Arctic Ocean, near the North Pole. This anomalous warmth is forecast to continue over the next week or so too. More graphics: zacklabe.com/arctic-tempe...

Jeg tror dette er godt kjent blant alle som jobber med planlegging i Norge: Vi er verst i Europa på å bygge ned natur.

Incredible ice loss measured again at #Konkordiaplatz on the #Aletsch #Glacier, home to the thickest ice in the #Alps (still about 800 m!). Yesterday’s survey revealed another –4.6 m of ice gone in just one year. :( Measurements by @matthias-huss.bsky.social for GLAMOS

Witnessing the rapid and extensive thawing of permafrost in Svalbard is truly impressive but deeply concerning

"Melting on the Arctic’s Svalbard Islands Shows the Climate Future Is Now" by @bberwyn.bsky.social for @insideclimatenews.org: insideclimatenews.org/news/1908202...

Ice melt records set in 2020 and 2022 were just marginally greater than previous years, but an extreme and long Arctic heat wave last summer, intensified by weather patterns disrupted by climate change, opened a new page in the record books insideclimatenews.org/news/1908202...

During the summer of 2024, six weeks of record-smashing heat led to a record-obliterating amount of ice melting on the islands of Svalbard in the Arctic.

Summer 2024 featured unprecedented warmth in the European Arctic, causing melting of 1 % of the total ice volume on Svalbard. Bad news is that in 2100 and even in the optimistic SSP1-2.6 emission scenario, 50% of the future summers will be warmer than 2024. www.pnas.org/doi/10.1073/...

Shocking stats from this paper on the extreme 2024 summer heat in Arctic Svalbard, which lost 1% of its total ice volume in just ~6 weeks. 🔥 In fact, Svalbard's 2024 glacier mass loss actually exceeded that of the Greenland Ice Sheet, which is 50 times larger!!! 😱 www.pnas.org/doi/10.1073/... ❄️🧪🌊

2024 glacier loss in Svalbard was beyond imagination! 😱 - Anomaly of up to 4 SD! - Amounts to ~61.7 Gt => 1% of the total ice volume - Comparable to that of the Greenland ice sheet (55 Gt), which is 50 x larger! ... Otherworldly! 🪐 www.pnas.org/doi/10.1073/...

Our latest research investigates the remarkable heatwave that affected part of the Arctic in the summer of 2024. It caused a 1 percent loss in Svalbard's ice, making this region one of the most significant contributors to global sea-level rise last year www.pnas.org/doi/10.1073/...

This July reminded us that in the north, heat is not a distant threat but is seeping into hospitals, care facilities & homes. Our infrastructure was not built to withstand these extreme temperatures and our population is increasingly susceptible to dangerous heat www.theguardian.com/environment/...

Getting used to this image: #glaciers almost completely naked - unprotected by the white snow - in August... While July was good for glaciers after record-melt in June, the new heat wave again results in major ice loss @vaw-glaciology.bsky.social

This is unbelievable. The high temperature at one of Finland’s northernmost weather stations, in the municipality of Sodankylä (Lapland region) within the Arctic Circle at latitude 67.3°N, reached at least 25°C for 26 days in a row. Records date back to 1908.

Inspired by @ketilisaksen.bsky.social post, I did the same analysis for Finland. In terms of 14-day average temperatures, the 2025 heatwave in Finland did not quite surpass the well-known 1972 and 2018 heatwaves. This is based on 10 km gridded observations.

Melting glaciers threaten to wipe out European villages - is the steep cost to protect them worth it? www.bbc.com/news/article...

En sommer med ekstremvær www.nrk.no/klima/ekstre...

Disregarding the extreme and record-low sea-ice extent in Antarctic the last two years, this year's July extent is exceptionally low, ranking as the 3rd lowest on record. The July extent over the last four years differs significantly from that of the previous four decades. @osi-saf.eumetsat.int

Nordic countries hit by ‘truly unprecedented’ heatwave www.theguardian.com/environment/...

20 straight days with 30 °C in Finland! Truly unprecedented heatwave still in full swing with maximum today about 32-33 degrees. Even the Arctic regions (e.g. Sodankylä Tähtelä) have seen three weeks above 25 °C, and may rival tomorrow their August heat records.

The heatwave in Finland could last another week or so as the Omega pattern strengthens over northeast Europe. The persistence of the heatwave will make it definitely one of the strongest on record in Finland, if not the strongest.

Temperaturen under den varmeste 14-dagers perioden i juli 2025 er den desidert høyeste som er registrert for Norge

Melting over 80.6% of the area of the Greenland Ice Sheet. This is the highest value in our data set, which starts in 1981. @polarportal.bsky.social

Great piece in today's NYTimes on the recent acceleration of global warming (and its impacts), featuring comments from Kate Marvel, Daniel Swain, Cecilia Bitz, and me: www.nytimes.com/2025...

Changes in June temperatures in the #Arctic by decade... check out Siberia! Data from @copernicusecmwf.bsky.social ERA5 reanalysis (doi.org/10.24381/cds...).

Spring 2025 is the second warmest for mainland Norway. Certain regions in Southern Norway have noted their highest mean temperature for spring since the series began in 1901, exceeding the prior record set in 2024 www.met.no/nyhetsarkiv/...

Stop! Danger! #Permafrost is thawing, mountains are crumbling: Combined with extreme weather, these and other processes are leading to more #naturalhazards. More in the latest issue of Diagonal magazine: www.slf.ch/en/publicati... #WSL #SLF #CCAMM #CERC #climatechange 📹 R. Oester

We must wait for detailed attribution to determine exactly how much climate change accelerated the timeline of this collapse. However, the balance of the evidence (given the impact of warming on ice and permafrost) suggests a number is greater than zero, and this was a climate-enhanced event. //

INCREDIBLE !! Here we are... 😱😱😱 After days of overloading and cracks propagating, Birch Glacier collapsed today at 3.24 pm over Blatten and the dammed Lonza river... Devastating! 😭 www.letemps.ch/suisse/valai...

Global Forest Loss Shatters Records in 2024, Fueled by Massive Fires www.wri.org/news/release...

INSANE !! 😱 Evolution of the upper NW face of Klein Nesthorn this afternoon (2:00 to 6:40 pm) The whole mountain is collapsing... 🏔️❄️🧊 www.aargauerzeitung.ch/schweiz/droh...

Already + 100,000 m3 fallen from the Klein Nesthorn N face at ~3200 m asl, and something between 1 to 5 Millions m3 more are 'forecasted'... 😱 That's quite a thing! Blatten village evacuated 😭 The 'Crumblocene' is definitely a nice time to live! 🏔️🌊 www.20min.ch/fr/story/can...

Hundreds evacuated as landslide threatens Alpine village www.independent.co.uk/news/world/e...

🔴⚠️🌡️A historical heatwave is hitting #Iceland in the last few days, reaching temperatures that are far over 20°C with multiple records, up to 26°C.⬇️#Sentinel3 view of May 17, with extremely poor snow cover for the period. #ClimateEmergency @volcaholic1.bsky.social

The #Arctic is getting wetter during the month of May across many regions of the Arctic Ocean. The largest trends are closer to areas of greater sea-ice loss toward the Atlantic Ocean. + Data: psl.noaa.gov/data/gridded... + Info: doi.org/10.25923/xf7...

Probably the best example of a collapse in the uptake of carbon dioxide on land (LULUCF) is in Finland. A significant and sustained carbon sink turned into a source in 10 years. robbieandrew.github.io/country/?cou... 1/

How 50 years of climate change has changed the face of the 'Blue Marble' from space www.bbc.com/future/artic...

Geopolitical events must not stall crucial research in the fastest-warming place on Earth, says Torben R. Christensen https://go.nature.com/3GjDsrY

The @copernicusecmwf.bsky.social and @wmo-global.bsky.social European State of the Climate Report is launched today 🌐 more than 40 datasets 👩‍🔬 over 100 scientists 🗺️ > 130 charts and graphics Check it out: climate.copernicus.eu/ESOTC 🌏🌡️🧪⚒️🌊🛰️

The Swiss #Alps are shaped by #glaciers, but they are disappearing fast. A new factsheet, released today by the Swiss Academy of Sciences with our contribution, highlights their state, projections & impact. 📄 Read more: scnat.ch/en/uuid/i/59... #WorldGlaciersDay @scnat.ch

The deep permafrost in Svalbard is warming at an accelerating pace