Julius Garbe
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juliusgarbe.github.io
Julius Garbe
@juliusgarbe.github.io
5.2K followers 950 following 140 posts
Antarctica Director @iccinet.bsky.social | PhD candidate @pik-potsdam.bsky.social. #IceSheets, #SeaLevelRise, Earth System #Resilience & #TippingPoints. Focus on #AntarcticIceSheet stability.

🌐 https://juliusgarbe.github.io
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juliusgarbe.github.io
Julius Garbe @juliusgarbe.github.io · Jun 3
🚨📢 New Publication Alert

Our new study shows that the #WestAntarctic #IceSheet repeatedly crossed #TippingPoint thresholds in the past, with important implications for its future stability.

Press release: www.pik-potsdam.de/en/news/late...

Study: www.nature.com/articles/s43...

🌊🧊⚒️🧪🥼
Scientists say next few years vital to securing the future of the West Antarctic Ice Sheet
03.06.2025 – Collapse of the West Antarctic Ice Sheet could be triggered with very little ocean warming above present-day, leading to a devastating four metres of global sea level rise to play out ove...
www.pik-potsdam.de
Reposted by Julius Garbe
theearthcommission.bsky.social
Earth is closer to critical tipping points than many realize.

Join authors of the Global Tipping Points Report 2025 for a webinar TODAY on risks, governance challenges, and positive tipping points that still make a difference.

15–16:30 CET
Register: futureearth.confetti.events/tipping-poin...
January 26, 2026 at 7:54 AM
Reposted by Julius Garbe
springernature.com
Glacier loss may peak at 2,000–4,000 disappearing each year by mid‑century, says a study in @natclimate.nature.com. Limiting warming to 1.5 °C could more than double the number of glaciers that remain by 2100: spklr.io/633208LZri

#ClimateChangeScience #glaciology
January 23, 2026 at 4:57 PM
Reposted by Julius Garbe
scar-antarctic.bsky.social
INSTANT invites you to a webinar on climate science diplomacy with Dr. James Kirkham (International Cryosphere Climate Initiative).

"Climate science diplomacy: What is it? How do YOU do it? And how can we make policymakers care about ice?”

📅 30 January, 12:00 CET
scar.org/scar-news/pr...
January 21, 2026 at 10:02 AM
Reposted by Julius Garbe
iccinet.bsky.social
As world leaders, businesses and civil society gather in #Davos for the #WEF, here is a timely reminder why Greenland is indispensable to global #climate science 🧪

via: Prof Martin Siegert in @theconversation.com

theconversation.com/why-greenlan...
Why Greenland is indispensable to global climate science
With no Antarctica-style treaty to protect Greenland, a US takeover could mean scientists lose access.
theconversation.com
January 20, 2026 at 8:32 AM
Reposted by Julius Garbe
theguardian.com
The fate of the planet’s coastlines depends on how fast Antarctica’s ice sheets melt. We don’t know what’s coming
The fate of the planet’s coastlines depends on how fast Antarctica’s ice sheets melt. We don’t know what’s coming
Some regions of the continent have enough ice to push up sea levels by 15 metres if they all melt, but researchers don’t yet fully understand the consequences
www.theguardian.com
January 17, 2026 at 7:20 PM
Reposted by Julius Garbe
wmo-global.bsky.social
🌡️ WMO confirms 2025 was one of warmest years on record.

2025 was one of the 3 warmest years on record, with the global average surface temperature at 1.44°C ± 0.13°C above the 1850-1900 average, according to WMO’s consolidated analysis of 8 datasets.

🔗 https://bit.ly/49xpkWP
January 14, 2026 at 2:21 PM
Reposted by Julius Garbe
futureearth.bsky.social
The Earth is closer to critical tipping points than many realize.

Join authors of the Global Tipping Points Report 2025 for a webinar on risks, governance challenges, and positive tipping points that still make a difference.

26 Jan 15–16:30 CET
Register: futureearth.confetti.events/tipping-poin...
January 13, 2026 at 9:43 PM
Reposted by Julius Garbe
bobkopp.net
The Trump Administration's announced withdraw from the IPCC is disappointing, but not surprising. US scientists will continue to play key roles in the @ipcc.bsky.social. A statement from the US Academic Alliance for the IPCC:
The US Academic Alliance for the IPCC (USAA-IPCC) was formed in March 2025 in part to prepare for this possibility and to ensure that US scientists remain able to engage in IPCC work regardless of the status and role of the US government. With the support of the USAA-IPCC, more than 70 US citizens and US-based experts who are currently serving the IPCC as coordinating lead authors, lead authors, review editors and committee members will continue to play these roles. “US climate scientists have made incredible contributions to understanding our planet’s life support systems and the impacts and risks of climate change. Their role as key players in IPCC reports have helped the US maintain our preeminent position in science and technology, and this global scientific cooperation will continue despite this unfortunate decision,” said Dr. Pamela McElwee, Professor of Human Ecology at Rutgers University, who serves as chair of the steering committee of the Alliance. “There is a reason we call our community the global scientific enterprise. We cannot grow, innovate, or advance unless we are linked together sharing, analyzing, and deliberating on vital climate data through critical international organizations like the IPCC. In the wake of this devastating move, AGU pledges to do all it can to bridge global partnership, research, and dialogue,” said Dr. Brandon Jones, President of the American Geophysical Union (AGU), which hosts the Alliance. The Trump Administration began disengaging from IPCC prior to yesterday’s formal announcement. Since February of 2025, the US State Department has not nominated experts for involvement in IPCC work, nor supported travel to IPCC meetings for selected authors, a role they have played in all prior administrations. The US government also did not participate in either of the IPCC business sessions in 2025, the first time the US has not been in attendance since the IPCC’s founding in 1988. As a result, the USAA-IPCC has assumed a key leadership role in nominating US scientists for consideration as authors for IPCC reports, including for the Seventh Assessment Report (nominating 282 authors in April 2025) and the Methodology Report on Carbon Dioxide Removal Technologies, Carbon Capture, Utilization and Storage (nominating 33 authors in December 2025), as well as for roles on the IPCC Task Group on Data Support and for participation in several expert workshops. AGU and the USAA-IPCC have also raised funds to support travel for US scientists and technical experts selected by IPCC to attend author meetings and workshops. Since the founding of the IPCC over four decades ago, US scientists and other experts have made critical contributions, leading formal processes as Working Group co-chairs as well as filling vitally important author and reviewer roles. IPCC findings have shaped science-based policy at all levels—from global climate agreements to local resilience plans—and strengthen the ability of policy communities to make informed decisions. Ensuring US scientists remain fully engaged in the IPCC and the global climate science community will lead to important new research opportunities and international collaborations that benefit the US in substantial ways. The USAA-IPCC looks forward to continuing our support of US climate experts, climate science research, and the IPCC. —-- The USAA-IPCC (https://www.usaa-ipcc.org/) is composed of all the US academic institutions that have observer status with the IPCC – Colby College, College of the Atlantic, Dickinson College, Emory University, Indiana University, Princeton University, Rutgers University, Washington University in St. Louis, University of California San Diego, Woods Hole Oceanographic Institution, and Yale University – together with the American Geophysical Union (AGU), which hosts the Alliance.
January 8, 2026 at 8:08 PM
Reposted by Julius Garbe
pnas.org
West Antarctic Ice Sheet glaciers underwent at least five major inland retreats during the Pliocene—a period with temperatures similar to projected future warming—suggesting the possibility of meter-scale global sea-level rise in our future. In PNAS: https://ow.ly/I6NZ50XRaap
Conceptual models of ice-sheet extent and associated depositional processes along a transect. During peak interglacials with inland ice-sheet retreat, icebergs calve from the retreating ice margin and drift onto the Amundsen Sea shelf. As these icebergs ground and melt, they release most of their detritus on the shelf. During early glacial stages, the ice masses around the Amundsen Sea embayment could regrow rapidly and coalesce into an ice sheet. The advancing grounded ice “bulldozed” the sediments, which had accumulated on the shelf during the previous interglacial, toward the shelf break. From there, the fine-grained detritus is transported down to the continental slope mainly by gravitational processes.
January 3, 2026 at 12:00 AM
Reposted by Julius Garbe
rahmstorf.bsky.social
A quick look back at 2025 regarding the instability risk of the Atlantic Ocean circulation #AMOC.🌊
Some bad, some positive news.
A meta-analysis of 768 simulations with 38 different climate models shows an #AMOC shutdown is not a low-probability event any more. 1/6 iopscience.iop.org/article/10.1...
December 30, 2025 at 3:20 PM
Reposted by Julius Garbe
jdkirkham.bsky.social
As scientists 🧪 who regularly attend UN #climate summits, we've noticed efforts to downplay, confuse and dilute the latest scientific findings, especially from the cryosphere ❄️.

This is alarming.

More details in @theconversation.com

theconversation.com/earths-froze...

@geogdurham.bsky.social
Earth’s frozen regions are sending a clear warning about climate change – but politicians are ignoring it
The warning lights from the cryosphere have been flashing red for several years and governments and policymakers ignore this at their peril.
theconversation.com
December 18, 2025 at 11:44 AM
juliusgarbe.github.io
Earth’s frozen regions are sending a clear warning about climate change – but politicians are ignoring it

theconversation.com/earths-froze...
Earth’s frozen regions are sending a clear warning about climate change – but politicians are ignoring it
The warning lights from the cryosphere have been flashing red for several years and governments and policymakers ignore this at their peril.
theconversation.com
December 18, 2025 at 11:49 AM
Reposted by Julius Garbe
egu-cr.bsky.social
“We cannot negotiate with the melting point of ice.”

Our latest blog post by Fabian Seemann gives a summary of attending COP30 as an Early Career Scientist with the International Cryosphere Climate Initiative (ICCI).

blogs.egu.eu/divisions/cr...
Speaking Up for the Cryosphere at COP30
During the climate negotiations at COP30, the global importance of a warming cryosphere was stressed in various formats. The UNFCCC Conference of Parties (this year’s COP30) marks the yearly global cl...
blogs.egu.eu
December 17, 2025 at 8:58 AM
Reposted by Julius Garbe
jdkirkham.bsky.social
#Glacier #extinction rates will peak within decades, with thousands of glaciers disappearing each year by 2040s. Peak extinction rates in #Alps will be reached in the 2030s.

Urgent policy action can still prevent thousands of glaciers from being lost per year.

🧪❄️ www.nature.com/articles/s41...
Peak glacier extinction in the mid-twenty-first century - Nature Climate Change
Many mountain glaciers will disappear with warming. Here the authors assess how many glaciers will disappear per year under different warming scenarios, finding that a peak in glacier loss will happen...
www.nature.com
December 16, 2025 at 10:43 AM
Reposted by Julius Garbe
iccinet.bsky.social
Rising temperatures could to lead to the loss of thousands of glaciers per year, with up to ~4,000 vanishing annually under high emissions.

1.5°C could halve this loss 🧵

@landervt.bsky.social @harryzeko.bsky.social @matthias-huss.bsky.social @davidrounce.bsky.social @lilianschuster.bsky.social
December 15, 2025 at 11:04 PM
Reposted by Julius Garbe
alevermann.bsky.social
Dankbar allen die die Faltung zum Bestseller gemacht haben.

faltungderwelt.de
December 15, 2025 at 3:37 PM
Reposted by Julius Garbe
wired.com
The uniquely vulnerable West Antarctic Ice Sheet holds enough water to raise global sea levels by 5 meters. But when that will happen—and how fast—is anything but settled.
The Oceans Are Going to Rise—but When?
The uniquely vulnerable West Antarctic Ice Sheet holds enough water to raise global sea levels by 5 meters. But when that will happen—and how fast—is anything but settled.
wrd.cm
December 7, 2025 at 3:25 AM
Reposted by Julius Garbe
pik-potsdam.bsky.social
Antarctica’s future beyond 2100: high emissions would drive major long-term ice loss, finds new PIK study. The West Antarctic Ice Sheet’s long-term collapse becomes virtually certain under high emissions; strong mitigation would limit sea-level rise contribution.
www.pik-potsdam.de/en/news/late...
Antarctica’s future beyond 2100: high emissions would drive major long-term ice loss
05.12.2025 - The future of the Antarctic ice sheet, Earth’s largest store of freshwater ice, will play a decisive role in long-term sea level rise, finds a new study led jointly by the Potsdam Institu...
www.pik-potsdam.de
December 5, 2025 at 11:11 AM
Reposted by Julius Garbe
geoengmon.bsky.social
👎 Stratospheric aerosol injection
👎 Sea curtains
👎 Sea ice management
👎 Basal water removal
👎 Ocean fertilization

None of these #geoengineering ideas can be relied upon to safeguard the poles—pursuing them risks distracting from the solutions we know will work www.weforum.org/stories/2025...
5 geoengineering ideas and why they will not save the poles
Various geoengineering projects seek to mask or slow the impact of global warming at the poles, but do not hold up to scrutiny. Two scientists outline why.
www.weforum.org
December 1, 2025 at 8:28 PM
Reposted by Julius Garbe
rahmstorf.bsky.social
When a government speaks responsibly about climate risks. Iceland's climate minister Jóhannsson:
"We believe that confronting climate tipping points and the risks they pose openly is not a sign of 'pessimism' or 'alarmism' but a sign of realism and responsibility."
youtu.be/B-0eQnEEsYA?...
After COP30 Fire and Floods: AMOC Shutdown
YouTube video by International Cryosphere Climate Initiative
youtu.be
November 23, 2025 at 6:43 PM
Reposted by Julius Garbe
drsimevans.carbonbrief.org
🚨 JUST PUBLISHED: CARBON BRIEF’S #COP30 SUMMARY 🚨

It's an EPIC 20,000 words of top-notch, plain-english reporting…

–Global mutirão
–Adaptation finance
–Fossil-fuel roadmap
–China
+Much more

Very proud of team CB for getting this out so fast

www.carbonbrief.org/...
November 23, 2025 at 4:12 PM
juliusgarbe.github.io
🎞️ After COP30 fire and floods: AMOC shutdown 🔥🌊

Our event on #AMOC shutdown was interrupted by the fire at #COP30 yesterday – but this is an important message so we wanted to make sure you heard it.

▶️ www.youtube.com/watch?v=B-0e...

@rahmstorf.bsky.social @iccinet.bsky.social
After COP30 Fire and Floods: AMOC Shutdown
YouTube video by International Cryosphere Climate Initiative
www.youtube.com
November 21, 2025 at 11:06 PM
Reposted by Julius Garbe
iccinet.bsky.social
Tomorrow at #COP30 and online @rahmstorf.bsky.social will present latest AMOC science & potential impacts of shutdown

The event will be chaired by Minister Johannsson of Iceland and will include perspectives from representatives of Ireland, UK, Canada, and Finland

iccinet.org/cop30-cryosp...

🧪🌊
November 19, 2025 at 8:27 PM
Reposted by Julius Garbe
climateanalytics.org
Catch @billhare.bsky.social speaking at #icci #COP30 event– The Perils of Ignoring Science and 1.5°C at COP30: Tipping Points in the Cryosphere.

He presents our work on limiting overshoot and returning warming back well below 1.5°C by 2100.

📅 Nov 14 15:00-16:30 BRT
📍 Side Event Room 9
November 14, 2025 at 4:52 PM
Reposted by Julius Garbe
jdkirkham.bsky.social
Launch of @iccinet.bsky.social 2025 State of the Cryosphere Report yesterday evening is featured on @theguardian.com #COP30 feed today:

We cannot negotiate with the melting point of ice!

www.theguardian.com/environment/...
November 14, 2025 at 2:34 PM