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RT @NASAEarth: 2024 was the hottest year in NASA’s record.

Global temperatures were around 1.28 degrees Celsius (2.30 degrees Fahrenheit) higher in 2024 than the 1951-1980 average, the baseline period used for our GISTEMP record.

NASA Ice

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Melissa Van Veen, a member of our partner Tu’dese’cho Wholistic Indigenous Leadership Development (TWILD), spent several days in Finland during Snowchange’s Festival of Northern Fishing Traditions. Read more about her experience: bit.ly/4fvUbUK

National Snow and Ice Data Center

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RT @cdnsciencepub: 🌿 @ArcticScienceJ and @CanJZoology encourages submissions examining individual to ecosystem-level dynamics, integrating seasonality and extreme weather into models. Learn more about this collection ▶️ ow.ly/xrB850Ul4YW

📷 Fabrice Simon

Arctic Science Journal

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Huge congrats to BAS' Dr Nigel Meredith, winner of the 2025 Royal Astronomical Society Chapman Medal 🎉

Dr Meredith won for his work on plasma waves in magnetospheric physics. His findings are now essential to many space weather forecasting models 🛰️

📰 bas.ac.uk/media-post/dr-nige…

British Antarctic Survey 🐧

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RT @ItaliAntartide: All'improvviso, nel silenzio assoluto delle acque gelide dell'#Antartide, un incontro straordinario: un gruppo di maestose orche che scivolano sotto la superficie con grazia e potenza
Un'esperienza unica, che lascia senza fiato 🌊🐋

Video di Andrea Antonelli, @ENEAOfficial #PNRA

CNR ISP

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We get so many questions about "cherry picking" sea ice data—for example looking at sea ice extent on two specific dates in different years and using this as "evidence" that sea ice is not changing. Here is why cherry picking is not scientifically valid: nsidc.org/learn/ask-scientis…

National Snow and Ice Data Center

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The #Arctic Institute just published 3 commentaries on #Greenland 🇬🇱! ⤵️ ❄️

🔗 TAI’s Romain Chuffart and Rachel Lorna Johnstone: thearcticinstitute.org/trump…

🔗 TAI’s Pavel Devyatkin: thearcticinstitute.org/uncer…

🔗 TAI’s Andreas Østhagen: thearcticinstitute.org/trump…

The Arctic Institute

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Actions needed for #Arctic whale conservation ⬇️

In September, we launched our Arctic blue corridors report, which urged actions from:

🤝 Arctic states & @ArcticCouncil
🚢 #Shipping industry & companies
@IMOHQ
📑 Researchers

Protecting Arctic #BlueCorridors requires collective effort:arcticwwf.org/newsroom/repor…

via @WWF_Arctic - UN Biodiversity

WWF Global Arctic Programme

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The Southern Ocean plays a vital role in regulating Earth’s climate, yet its icy depths have long been shrouded in mystery.

A new study in JGR Oceans by @KaiheZak and colleagues provides crucial, unprecedented insights ⬇️ @Ant_Partnership | @CSIRO antarctic.org.au/revealing-t…

Australian Centre for Antarctic Science (ACEAS)

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Las dos estaciones principales de @AEMET_Esp en las Bases Gabriel de Castilla @Antartica_ET y Juan Carlos I @Antartica_ET están transmitiendo datos en tiempo real.

aemet_antartida

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The most anticipated event in the seasonal cycle of Arctic sea ice is the September seasonal minimum extent. The daily minimum extent for 2024 of 4.28 MM sq km was set on 9/11, and was the 7th lowest in the satellite record. Read our sea ice year n review: bit.ly/3PwK5s0

National Snow and Ice Data Center

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RT @CNRsocial_: @cnrisp

#Antartide: storica campagna di perforazione @OldestIce raggiunge ghiaccio di 1,2 milioni di anni fa, alla profondità di 2.800 metri, toccando la roccia sottostante la calotta antartica.
Un risultato storico per le scienze del #clima
👉pnra.aq/it/antartide-storica…

@cnr_isp @cafoscari - ItaliAntartide

CNR ISP

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RT @Radio3scienza: Replying to @Radio3scienza @gvacchiano @LaStatale @Radio3tweet @mottambulo @FedericoScoto @CNRsocial_: “È un momento storico per le scienze climatiche: è la prima volta che riusciamo a raggiungere un record lungo 1 milione e 200.000 anni di storia. Il ghiaccio è una macchina del tempo che ci riesce a spiegare com’è cambiato il clima” @CarloBarbante @CaFoscari @cnrisp @OldestIce “Ci sono tanti gruppi al lavoro, e con #BeyondEpica siamo arrivati primi: un grande orgoglio per l’Italia che è il paese coordinatore del progetto”

CNR ISP

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Save the date for the @CliC_WCRP Open Science Conference 2026.
📅 9-12 February 2026
🇳🇿 Wellington, New Zealand

The conference will include a half-day @scar_instant workshop.
More details & first circular: clic2026.com/

Scientific Committee on Antarctic Research (SCAR)

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Widespread coastal melting occurred in Antarctica through the second half of December and is continuing in the first few days of the new year in several areas. Read more in our latest Ice Sheets Today analysis. bit.ly/3C19gjv

National Snow and Ice Data Center

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Since 1979, December has lost 1.98 million square kilometers (764,000 square miles) of sea ice, which is equivalent to 3 times the size of Texas. Read more in our latest sea ice analysis: bit.ly/3PwK5s0

National Snow and Ice Data Center

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RT @CSIC: @UNESPA financia con 297.000 euros una expedición del #CSIC para monitorizar el virus de la gripe aviar de alta patogenicidad en la Antártida. La campaña pretende determinar la extensión del patógeno en aves y mamíferos marinos
➡️tiny.cc/dfn4001

PolarCSIC

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From 2007-2022, renowned photographer James Balog documented glacial change around the world through a project called the Extreme Ice Survey. 1.5 million images showcasing climate change in real time are now stored and managed at NSIDC. Learn more: bit.ly/4dkj6ug

National Snow and Ice Data Center

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