📢Last Marine Heatwave (#MHW) Bulletin of 2025!🌊🌡️

According to our forecast for 27 Dec, #MHW conditions are increasing📈in:

🔵the #NorthSea and #BalticSea, with strong & severe categories

🔵the #SouthernOcean, reaching severe & extreme categories

🔗https://t.co/Ga0Cq7NM8S https://t.co/o5cyXTuo55

Mercator Ocean International

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Registration is now open for experts interested in reviewing the first draft of the IPCC Methodology Report on Inventories for Short-lived Climate Forcers!

Register here 🔗 https://t.co/rNghvTgS7p until midnight CET on 13 February 2026.

Read more 🔗 https://t.co/ccfO8RkfpP https://t.co/rwEwJNyHOO

IPCC

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As 2025 comes to an end, @SchomakerAstrid reflect on a year of collaboration and progress for biodiversity.

Moving into 2026, @UNBiodiversity thanks all partners and extends warm end-of-year wishes to our global community.

🔗 2025 Year in Review:
https://t.co/W8jwk9wHw4 https://t.co/8KDaQIzi1S

UN Biodiversity

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That’s a wrap: #HappyHolidays from PIK. Thank you for all your support throughout the year! We look forward to sharing more exciting research with you in 2026.
The photo shows details of a frozen pond in Potsdam, captured by PIK scientist Stefan @rahmstorf. https://t.co/HMOAfNPY0d

Potsdam Institute for Climate Impact Research PIK

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Another #AtmosphericRiver is taking aim at the West Coast, this time for California. In this imagery, @NOAA's #GOESWest (#GOES18) is tracking the moisture that is streaming in from the Pacific with its #WaterVapor channel. #HighWind Warnings, #Flood Watches & #WinterStorm Warnings are up for much of the state. Latest: https://t.co/FdGeSaDj7C

NOAA Satellites

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New package of measures to strengthen Europe’s plastic recycling ♻️

Why? Because circular solutions can cut the sector’s climate-related emissions by 45% and improve the sector’s trade balance by €18 billion per year by 2050

More: https://t.co/s36Y7gSDXI

#BeatPlasticPollution https://t.co/IYAa8fzs8S

EU Environment

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RT @NWSGSP: Are you traveling for the holidays? Make sure you monitor the forecast at home, at your destination, and along your route! This map shows all the @NWS offices in the country (click on a location to go directly to their website): https://t.co/TW0nXW3FYx https://t.co/dd0JYJ7UAK

NOAA

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Dec 23: strong high pressure over Mexico will support winds pulsing to gale-force tonight and Wed night across the Gulf of Tehuantepec in southern Mexico (shown on left). Associated seas will reach 11 ft (shown on right). See https://t.co/26J6Uoh0VW for more information. https://t.co/A5nWgpF1zl

NHC_TAFB

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Dec 23: Large swell with max wave heights to 17 ft (shown in dark blue on right) is moving across the western Atlantic following a front, reaching the NE Caribbean Wed. A second group of large swell will follow later this week. See https://t.co/26J6Uoh0VW for more information. https://t.co/rcaVoTHx5p

NHC_TAFB

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As 2025 comes to an end, @SchomakerAstrid reflects on a year of collaboration and progress for biodiversity.

Moving into 2026, @UNBiodiversity thanks all partners and extends warm end-of-year wishes to our global community.

🔗 2025 Year in Review: https://t.co/KFWMZgLqVi https://t.co/Xo4uwpbjTV

UN Biodiversity

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🌱 It’s time to integrate agriculture into #biodiversity plans, from global to local levels.

Discover the Agri-NBSAPs Support Initiative and how it helps countries strengthen agriculture within their National Biodiversity Strategies and Action Plans.

👉 https://t.co/nxrJhHfRrp https://t.co/CmgNhAmKwM

FAO Climate Change & Biodiversity

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Do you know which country is most responsible for climate change? 🌡️🌍

Data from hashtag#ClimateWatch shows how global greenhouse gas emissions add up from 1850 onwards. Explore the data ➡️ https://t.co/mZRwclGEVC

#ClimateAction #GHGEmissions #ClimateData https://t.co/fvLvB1lECX

WRI Climate

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RT @CopernicusEU: La Niña is a climate phenomenon characterised by cooler-than-average sea surface temps in the CEN & E equatorial Pacific.🌎

🛰️This visualisation shows anomalies on 8 Dec. A distinct band of cooler water stretches along, clearly indicating the La Niña.

🔗https://t.co/B5ROJsurWk https://t.co/lAxUo8RKOa

Copernicus Marine

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For #TimeLapseTuesday, we are reviewing the month of December in 10 seconds. This #AirMass imagery from @NOAA's #GOESEast (#GOES19) is showing the movement of the weather systems and air masses that impacted the Lower 48 from Dec. 1-Dec. 23.

Check out our other imagery collections here: https://t.co/Q33sTRHqzj

NOAA Satellites

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RT @CopernicusEU: La Niña is a climate phenomenon characterised by cooler-than-average sea surface temps in the CEN & E equatorial Pacific.🌎

🛰️This visualisation shows anomalies on 8 Dec. A distinct band of cooler water stretches along, clearly indicating the La Niña.

🔗https://t.co/B5ROJsurWk https://t.co/lAxUo8RKOa

Copernicus Marine

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RT @NASA_Marshall: There's one month left to register for NASA's LunaRecycle Challenge Phase 2! 🌕♻️ We're challenging U.S. participants to develop solutions for recycling common trash materials on deep space missions.

Learn more about the competition, prizes, and more >> https://t.co/7YvTlzBTnB https://t.co/B3IgP0A4JG

NASA Technology

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📣 Over the past four years, the Red List of Ecosystems (RLE) programme has reached a turning point, translating years of methodological development into national assessments that are now informing environmental policy, land management, and ecosystem restoration

#IUCN https://t.co/Wat3S6OKAT

Red List of Ecosystems

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2025 was all about resilience, smart moves, and more jobs.

See how the World Bank Group helped countries turn uncertainty into opportunity through:

✅ Bold reforms
✅ Fresh investment
✅ A laser focus on creating jobs

https://t.co/83lmvL7CTY https://t.co/iZQw9mUbxy

World Bank Climate

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