Tim Stephens
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proftimstephens.bsky.social
Tim Stephens
@proftimstephens.bsky.social
7.5K followers 8.1K following 1.4K posts

Professor of International Law, University of Sydney Law School.

Councillor, Inner West Council, Sydney, 2021-2024.

www.sydney.edu.au/law/about/our-people/academic-staff/tim-stephens.html

orcid.org/0000-0001-9678-2227

Born at 331 ppm CO2 .. more

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Tim Stephens is Professor of International Law at the University of Sydney and Fellow of the Australian Academy of Law. Stephens' main areas of research are the international law of the sea and international environmental law. .. more

Environmental science 40%
Political science 18%
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proftimstephens.bsky.social
Tim Stephens @proftimstephens.bsky.social · Nov 12
Our edited collection on 'Geopolitical Change and the Antarctic Treaty System' will be out in January 2025.

A big thanks to co-editors Shirley Scott and Jeff McGee and to the contributors for making this project possible.

link.springer.com/book/9789819...
Geopolitical Change and the Antarctic Treaty System
This book explores all aspects of geopolitical considerations between key states of the Antarctica Treaty System (ATS) and lessons that can be gained.
link.springer.com

proftimstephens.bsky.social
Tim Stephens @proftimstephens.bsky.social · 42m
Under Trump, the US is a wholly broken country.

Reposted by Stephen M. Walt, Kori Schake, Claudia Sahm , and 29 more

federalreserve.gov
Federal Reserve @federalreserve.gov · 1h
Video message from Federal Reserve Chair Jerome H. Powell:
www.youtube.com/watch?v=KckG...
www.federalreserve.gov/newsevents/s...
Statement by Federal Reserve Chair Jerome H. Powell
YouTube video by Federal Reserve
www.youtube.com

Reposted by Brian J. Enquist, Tim Stephens

zacklabe.com
Zack Labe @zacklabe.com · 5h
Carbon dioxide (CO₂) averaged about 427 ppm in December 2025

10 years ago December averaged about 402 ppm

Data available at gml.noaa.gov/ccgg/trends/
Red line graph time series of monthly carbon dioxide abundance from January 1959 through December 2025. There is a seasonal cycle and long-term increasing trend. Current levels of CO2 are at 427 ppm. This is the Keeling Curve graph. A line for CO2 10 years ago is also annotated.

Reposted by Tim Stephens

eliothiggins.bsky.social
Eliot Higgins @eliothiggins.bsky.social · 16h
‘Add blood, forced smile’: how Grok’s nudification tool went viral www.theguardian.com/news/ng-inte...
‘Add blood, forced smile’: how Grok’s nudification tool went viral
The ‘put her in a bikini’ trend rapidly evolved into hundreds of thousands of requests to strip clothes from photos of women, horrifying those targeted
www.theguardian.com

Reposted by Joanna Bryson, Rebecca Solnit, Dorothy Bishop , and 18 more

chrismurphyct.bsky.social
Chris Murphy @chrismurphyct.bsky.social · 23h
I can't believe I'm posting this video - but we actually have to have a conversation about the real world implications of America going to war over Greenland.

Let me walk you through it. It doesn't turn out well for us.

proftimstephens.bsky.social
Tim Stephens @proftimstephens.bsky.social · 1d
'Chris Bowen wants to use his stint as the world’s chief climate negotiator to lobby Saudi Arabia and others to stop resisting progress at UN summits, heeding calls for a “hard-nosed” approach in dealing with big emitters obstructing the transition.'

www.theguardian.com/environment/...
Australia’s Cop31 chief negotiator plans to lobby petrostates on fossil fuel phaseout
Exclusive: Chris Bowen says key to next UN climate summit will be ‘engagement, engagement, engagement’ with countries such as Saudi Arabia
www.theguardian.com

Reposted by Tim Stephens, Nathan P. Kalmoe

markshawtoronto.bsky.social
Mark Shaw @markshawtoronto.bsky.social · 1d
The UK is in talks with Canada and Australia for a coordinated response to X, including a possible ban. #canpoli
Starmer rallies international support to take on Musk
Tech billionaire says threat to ban social media site over sexualised AI images is ‘censorship’
www.telegraph.co.uk

Reposted by Tim Stephens

thevenerablebede.bsky.social
Bede Kelleher @thevenerablebede.bsky.social · 1d
Finally nuked the Twitter account. An absolute cesspit with too few redeeming people left to make it worthwhile.

Reposted by John Mullahy, Tim Stephens

timothysnyder.bsky.social
Timothy Snyder @timothysnyder.bsky.social · 1d
If Trump saw a globe rather than a Mercator projection he might notice that Greenland is actually smaller than Algeria.

Reposted by Tim Stephens

rbreich.bsky.social
Robert Reich @rbreich.bsky.social · 1d
"Every gun that is made, every warship launched, every rocket fired signifies, in the final sense, a theft from those who hunger and are not fed, those who are cold and are not clothed."

-Dwight D. Eisenhower, 1953

proftimstephens.bsky.social
Tim Stephens @proftimstephens.bsky.social · 1d
“Newly released cabinet papers, prepared by the federal public service and experts at the Bureau of Meteorology, were largely ignored by the Howard government.”

www.smh.com.au/politics/fed...
Confidential advice undercooked climate change to Howard government
Cabinet briefings in 2005 warned of climate change, but did not anticipate the scale and severity of the impacts now playing out.
www.smh.com.au

Reposted by Stefan Rahmstorf, John De Vos, Du Toit , and 6 more

zacklabe.com
Zack Labe @zacklabe.com · 1d
2025 was the hottest year on record for ocean heat content. Unfortunately, we now say this every year. 🥹

"In addition to setting a new record in 2025, the global
ocean continues to show sustained and intensified warming."

+ #OpenAccess Study: doi.org/10.1007/s003...
+ Data: www.ocean.iap.ac.cn
Bar graph showing global ocean heat content change in the upper 2000 m from the late 1950s through 2025. There is a long-term warming in the time series, which is using IAP/CAS data.

Reposted by W. Andy Knight, W Grant, Tim Stephens , and 1 more

thebulwark.com
The Bulwark @thebulwark.com · 1d
"The French president said a couple days ago, 'America might not be our ally anymore.' You've heard the German Chancellor say something similar."

Anne Applebaum tells Tim Miller that European governments are starting to hedge against American rhetoric and actions.

Reposted by Tim Stephens, Steven H. Seggie

adamjschwarz.bsky.social
Adam Schwarz @adamjschwarz.bsky.social · 1d
It’s still wild that “orange man invades countries, burns oil, destroys planet” isn’t a cartoon plot but an actual real-life dude we all have to deal with.

Reposted by Diane Coyle, Colin F. Camerer, Paul Glasziou , and 32 more

ediparolev.bsky.social
Justin @ediparolev.bsky.social · 1d
“Uruguay did what most nations still call impossible: it built a power grid that runs almost entirely on renewables—at half the cost of fossil fuels. The physicist who led that transformation says the same playbook could work anywhere—if governments have the courage to change the rules.”
Uruguay’s Renewable Charge: A Small Nation, A Big Lesson For The World
Uruguay built a power grid that runs 99% on renewables—at half the cost of fossil fuels. Here’s how its bold energy overhaul became a global model.
www.forbes.com

Reposted by Richard S.J. Tol, Ian Hall, Michael D. McDonald , and 1 more

reuters.com
Reuters @reuters.com · 1d
Indonesia temporarily blocks access to Grok over sexualised images reut.rs/4jvw0JI
Indonesia temporarily blocks access to Grok over sexualised images
Indonesia temporarily blocked Elon Musk's Grok chatbot on Saturday due to the risk of AI-generated pornographic content, becoming the first country to deny access to the AI tool.
reut.rs

proftimstephens.bsky.social
Tim Stephens @proftimstephens.bsky.social · 1d
“Australian Prime Minister Anthony Albanese has slammed Elon Musk’s social media platform X for failing to meet community standards, declaring its artificial intelligence chatbot Grok is enabling abhorrent sexual images without consent of the people depicted.”

www.smh.com.au/politics/fed...
‘Abhorrent’: PM slams Elon Musk’s X over sexually explicit images
As the wave of AI generated sexual material grows, international leaders are demanding action by tech companies to stop images generated without consent.
www.smh.com.au

proftimstephens.bsky.social
Tim Stephens @proftimstephens.bsky.social · 1d
“Richest 1% took 10 days while wealthiest 0.1% needed just three days to exhaust annual carbon budget.”

Climate change is eminently solvable if the wealthiest (ie most people in the west) curbed their extravagance.

www.theguardian.com/environment/...
World’s richest 1% have already used fair share of emissions for 2026, says Oxfam
Richest 1% took 10 days while wealthiest 0.1% needed just three days to exhaust annual carbon budget, study shows
www.theguardian.com

Reposted by Tim Stephens, Peter Jacobs

zacklabe.com
Zack Labe @zacklabe.com · 2d
Last year was obviously the warmest on record for the North Pacific Ocean...

This graph shows the average for a band across the midlatitudes for every year from 1854-2025 using @noaa.gov ERSSTv5 data.
Green line graph time series of average sea surface temperature anomalies for each year from 1854 through 2025 for only the midlatitude region of the North Pacific Ocean. There is large interannual variability, but an overall long-term increasing trend. Anomalies are computed relative to a 1981-2010 baseline. 2025 is a record high.

Reposted by Stacy D. VanDeveer, Tim Stephens

zacklabe.com
Zack Labe @zacklabe.com · 2d
🚨 2025 observed the lowest #Arctic sea-ice extent AND the lowest sea-ice volume for their yearly average values. This comes as no surprise to me as the polar environment continues to change. The consequences are far-reaching.

More graphics & stats already on my website: zacklabe.com/arctic-sea-i...

Reposted by David R. Miller, Tim Stephens, David Darmofal

billkristolbulwark.bsky.social
Bill Kristol @billkristolbulwark.bsky.social · 2d
The Kennedy Center with no more operas but with the "premiere" of "Melania: The Movie" kind of says it all.

proftimstephens.bsky.social
Tim Stephens @proftimstephens.bsky.social · 2d
Nobel Peace prizes are non-transferable so as to prevent scalping.
thetnholler.bsky.social The Tennessee Holler @thetnholler.bsky.social · 2d
Trump tells Hannity he will accept Machado’s Nobel Prize when she gives it to him.

So embarrassing.

Reposted by Tim Stephens

financialtimes.com
Financial Times @financialtimes.com · 2d
How Elon Musk’s Grok spread sexual deepfakes and child exploitation images ft.trib.al/aX8bZdy
How Elon Musk’s Grok spread sexual deepfakes and child exploitation images
Billionaire’s xAI start-up lacks adequate safeguards, say experts, but many AI models are trained on troubling material
ft.trib.al

Reposted by Tim Stephens

eliothiggins.bsky.social
Eliot Higgins @eliothiggins.bsky.social · 2d
Elon Musk’s X threatened with UK ban over wave of indecent AI images www.theguardian.com/technology/2...
Elon Musk’s X threatened with UK ban over wave of indecent AI images
Platform has restricted image creation on the Grok AI tool to paying subscribers, but victims and experts say this does not go far enough
www.theguardian.com

Reposted by Tim Bale, Tim Stephens, Jeroen Van Bouwel

anandmenon.bsky.social
Anand Menon @anandmenon.bsky.social · 2d
A headline for the ages www.politico.eu/article/fran...
France delays G7 to avoid clash with White House cage fighting on Trump’s birthday
French President Emmanuel Macron’s office said the new schedule is “the result of our consultations with G7 partners.”
https://www.politico.eu/article/france-delay-g7-white-house-donald-trump-birthday/?utm_source=email&utm_medium=alert&utm_campaign=France%20delays%20G7%20to%20avoid%20clash%20with%20White%20House%20cage%20fighting%20on%20Trump’s%20birthday

Reposted by Tim Stephens

aaron.bsky.team
Aaron Rodericks @aaron.bsky.team · 2d
Current events are making it challenging to track MPs and reputable organisations that are permanently migrating to Bluesky. If folks see examples that we need to assess for verification - do let me know. Will limit it largely to politicians, govt orgs and large orgs at the moment for this pass.

Reposted by Jo Barraket, Tim Stephens

lizhicks.bsky.social
Liz Hicks @lizhicks.bsky.social · 2d
Not apocalyptic looking at all

proftimstephens.bsky.social
Tim Stephens @proftimstephens.bsky.social · 2d
“Elon Musk’s social media platform X is being investigated by Australia’s eSafety Commissioner over a surge in sexually explicit images generated by its AI chatbot, following a threat from UK Prime Minister Keir Starmer to ban X over the same issue.”

www.smh.com.au/politics/fed...
eSafety Commissioner demands crackdown on Musk’s AI ‘nudify’ images on X
World leaders including the UK’s Keir Starmer are vowing to crack down on Elon Musk’s platform over the surge in sexually explicit images generated by Grok.
www.smh.com.au

Reposted by Tim Stephens

strangerous.bsky.social
stranger @strangerous.bsky.social · 2d
David Littleproud warns against urgent gun reform, saying if bad people can’t attack others with guns because it’s illegal, they’ll just attack with cars or bombs instead… which is also illegal 🤦‍♂️

Reposted by James Cameron, Tim Stephens, Colin Woodard

thetnholler.bsky.social
The Tennessee Holler @thetnholler.bsky.social · 2d
Trump tells Hannity he will accept Machado’s Nobel Prize when she gives it to him.

So embarrassing.