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Andy Reisinger

@andyreisinger.bsky.social
8.6K followers 1.2K following 248 posts

Climate science and policy. Also the occasional photo and random thoughts. Lead author IPCC AR7 WGIII (mitigation). Usual disclaimers...

PostsRepliesMedia
Andy Reisinger @andyreisinger.bsky.social · 10/09/2026
"Most of what I've figured out, I’ve figured out in conversation. That’s not a failure of individual genius; it’s how science is actually done." The Falling Walls breakthrough recognised the right person 👏 @jdjewell.bsky.social
falling-walls.com
Breaking the Wall of Apolitical Climate Futures
Jessica Jewell: Breaking the Wall of Apolitical Climate Futures
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IngerAndersen.bsky.social @ingerandersen.bsky.social · 02/09/2026
The world is set to cross 1.5°C global warming. But it is still possible to bring temperatures down and achieve #ParisAgreement goals. We must double down on #ClimateAction New @unep.org report shows how we can still limit, adapt to & return from higher temperatures: www.unep.org/resources/li...
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Joseph Laycock @josephlaycock.bsky.social · 28/08/2026
Dallas Morning News reported that Texas has suspended 6% of registered voters without telling them Texans can use this link to check their voting status: goelect.txelections.civixapps.com/ivis-mvp-ui/... People who have been purged can still register before October 5. Tell everyone you know.
goelect.txelections.civixapps.com
IvisMvpUi
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Andy Reisinger @andyreisinger.bsky.social · 14/08/2026
Not a single mention of “greenhouse gases”, “fossil fuels” or "climate change". Ministry claims students will still learn how the climate system works, why it changes, and its impacts. Withholding core vocabulary from curriculum to express causal relationships amounts to disinformation.
newsroom.co.nz
Climate change omitted from new science and social science curriculums
The Ministry of Education drops all mentions of climate change and fossil fuels from new school curriculums, sparking alarm from an academic and educator
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Andy Reisinger @andyreisinger.bsky.social · 11/08/2026
He Pou A Rangi, New Zealand's Climate Change Commission, has released its adaptation monitoring report. Nationwide action to adapt is not keeping pace with growing climate risks. 97% of the central government's spend has gone into response and recovery, just 3% goes towards reducing future risk.
climatecommission.govt.nz
Progress on climate adaptation too slow as risks grow
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Andy Reisinger @andyreisinger.bsky.social · 06/08/2026
Energy impact benefits from swapping an EV for an ICEV begin to accrue as early as the first day of the life of the ICEV, and replacement early in the life cycle consistently provides reductions in greenhouse gas emissions. (Particularly when grid emissions are low; #nzpol)
science.org
The climate benefits of retiring a fully operational internal combustion engine vehicle
Internal combustion engine (ICE) vehicles represent the single largest source of carbon dioxide emissions for most US households. Although battery electric vehicles (BEVs) considerably reduce use-phas...
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Andy Reisinger @andyreisinger.bsky.social · 04/08/2026
This offering seems to fit neatly into why the German car industry is under stress. Design an EV that costs a ridiculous amount of money, and then complain that not enough people want EVs and therefore we can't rush this whole EV thing and we have to protect the industry from unfair competition.
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Andy Reisinger @andyreisinger.bsky.social · 26/07/2026
There's a few songs that might be worth digging out again.
The cover of the album "crisis? what crisis?" by the band Supertramp. A guy sits under sun umbrella in a beach chair, surrounded by an industrial wasteland. The guy and umbrella are in colour, the wasteland is grey.
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Andy Reisinger @andyreisinger.bsky.social · 12/07/2026
This thread and exchange by @zekehausfather.com and the reaction by @volts.wtf is what makes BlueSky worthwhile. (about the risk of underestimating the challenge of decarbonisation and whether that's the risk we should focus on)
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David Roberts @volts.wtf · 12/07/2026
Any kind of dispassionate analysis of the actual power dynamics in society -- as opposed to "what bugs me" -- would conclude that all of us should be lending our voices & what little power we have to the cause of decarbonizing faster, of *finding out* what's possible by *trying harder*.
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Andy Reisinger @andyreisinger.bsky.social · 07/07/2026
"Our results suggest much stronger positive methane-climate feedbacks in the pan-Arctic and highlight the urgency of reducing anthropogenic CH4 emissions to achieve the goals of the Paris Agreement and the Global Methane Pledge." www.pnas.org/doi/10.1073/...
Screenshot of text: "Significance
The natural emissions of methane in pan-Arctic have increased in response to rapid warming and heatwaves. However, the sensitivity of natural methane emissions from the pan-Arctic to climate change remains poorly constrained. We infer the long-term trend of natural CH4 emissions in pan-Arctic from the phase shifts in the atmospheric CH4 seasonal cycle from observations. Our work shows that the sensitivity of Arctic natural biogenic emissions and wildfire emissions to warming is underestimated by the process-based models and the top–down inversion. Our results suggest much stronger positive methane-climate feedbacks in the pan-Arctic and highlight the urgency of reducing anthropogenic CH4 emissions to achieve the goals of the Paris Agreement and the Global Methane Pledge."
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Andy Reisinger @andyreisinger.bsky.social · 01/07/2026
Brilliant thread unpacking how @spiegel.de, a leading German news magazine, perpetuates climate denial/dismissal through a columnist, using a well-trodden playbook. The thread (Skyview shorturl.at/OQpVo by @pablofinn.bsky.social) is well worth translating into English - you'll recognise the pattern.
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Paul Finn @pablofinn.bsky.social · 01/07/2026
@spiegel.de Nennen die die Dinge beim Namen. Hättet ihr grundsätzlich Interesse an einer derartigen "Gegenüberstellung"? Klarstellung: Ich spreche hier keineswegs für den Autor dieses Artikels, wäre lediglich daran interessiert, ob ihr generell für so etwas offen wärt.
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Andy Reisinger @andyreisinger.bsky.social · 30/06/2026
I guess this study shows what's always been a good guide: if you have nothing constructive to offer in a discussion, it's perfectly fine to remain silent.
pnas.org
Differentiation drives the erosion of positivity on social media | PNAS
Most people believe that social media discourse is negative and divisive. Here we show how this negativity can evolve even when users are not motiv...
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Andy Reisinger @andyreisinger.bsky.social · 24/06/2026
These two skeets turned up sequentially in my feed. Do not go gentle into that hot day, Rage, rage against the inane chatter of so many anchors.
first skeet by Leo Hickman, Carbonbrief, says
"++BREAKING++

Leading climate scientists in the UK have written to senior editors in broadcast media - and OFCOM and IPSO:

"To express our concern about recent media coverage of extreme weather, climate change and net-zero and to urge you…to inform public audiences of the scientific links"" and is followed by a screenshot of the actual letter

Second skeet by Aparna Nair says:

"I can almost hear the producer telling the interviewer: ‘make sure to end on a positive note, yes, sure, elderly and vulnerable disabled and poor people might literally die, but silver linings!’" and it's quoting a skeet by Ketan Joshi that says

"Watching BBC News and they just did 5 minutes with a doctor about how this heatwave is life threatening and the interviewer closed it with "well, it's just an opportunity to have ice cream for breakfast!!".

Amazing clip of how the BBC seems just blissfully unaware of what is happening"
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Andy Reisinger @andyreisinger.bsky.social · 19/06/2026
One bright spot: These same abilities could be turned toward defense, allowing experts to use AI to stress-test proposed laws. “Even before making regulations, we can use this approach as an audit to autonomously identify all potential loopholes,” says co-author Yulan He.
science.org
AI models have a troubling knack for discovering legal loopholes
AIs on their own found ways to exploit regulations and evade current safeguards
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Michael E. Mann @michaelemann.bsky.social · 16/06/2026
And yes, there is empirical, peer-reviewed support for the conclusion that climate deniers, in general, are truly awful human beings: spssi.onlinelibrary.wiley.com/doi/full/10....
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Byron C Clark @byroncclark.bsky.social · 12/06/2026
Billboard at Saint Mathews in the City opposing the Legislation (definitions of woman and man) amendment bill Crossposted with @openvibe.social
A gothic architecture style church with a billboard showing a washing line and the text "we don't care what's in your pants ...and neither should the government"
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Happykiwi_nz @kiwihappy.bsky.social · 12/06/2026
Kiwis overseas 🚨 I don't think there was any announcement about this but you wont be able to vote this time unless you've been home in the last 3 years. Your name may also have been removed from the roll. Check your eligibility #nzpol #kikorangi vote.nz/enrolling/ge...
vote.nz
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David Ho @davidho.bsky.social · 29/05/2026
This is one of the most insane things I’ve seen from this regime. Please read this excellent summary and comment in the federal registry. 🧪🌊
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Glen Peters @glenpeters.bsky.social · 18/05/2026
Back in 2012 we did a figure comparing historical emissions to previous generations of emission scenarios. rdcu.be/brDGx Surprisingly, the figure is still doing the rounds. We update it every year, with many interesting changes primarily due to revisions in land-use change emissions. 1/
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Russ Jones @russincheshire.bsky.social · 06/05/2026
Britain's broadcast media boasts of its strict adherence to impartiality rules. Mentions per MP. LibDems: 645 Tories: 5,116 Greens: 7,763 Labour (the actual govt): 27,438 Reform: 70,732 Anyone surprised they're ahead? bebroadcast.co.uk/politics-who...
bebroadcast.co.uk
#Politics Who gets heard – and who doesn’t – on UK broadcast? | Be Broadcast
New analysis of 1.5m mentions reveals which UK parties are overexposed or underrepresented on broadcast – from Labour and Reform to the Conservatives and Lib Dems.
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Dave Vetter @davidrvetter.bsky.social · 08/05/2026
Anyone insinuating that the rise of "populism" is some bottom-up, grassroots phenomenon is selling you a lie. The popularity of Reform is down to vast quantities of money fuelling a tightly orchestrated media disinformation machine.
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Dr. Mar @boldnewme.bsky.social · 06/05/2026
This is exactly why language matters: “women were given the vote” frames equality as a gift from men, instead of hard won political power extracted through organized resistance. Nobody gave women anything. Women fought, marched, strategized, endured violence, went to prison and died for it.
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Robert Gieseke (Openclimatedata) @openclimatedata.net · 06/05/2026
Left nuclear, right renewables.
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John Bistline @bistline.bsky.social · 28/04/2026
New peer-reviewed finding: Have you tried plugging it in? (Eight models confirm electrification of transport and buildings is the primary driver of emission reductions in every scenario consistent with the Paris Agreement… and can lower energy wallet spending)
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David Ho @davidho.bsky.social · 24/04/2026
Our society has a massive blind spot when it comes to how dangerous these giant trucks and SUVs are to everyone outside of them.
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Andy Reisinger @andyreisinger.bsky.social · 27/04/2026
I had a chat with the wonderful @nicolakimjones.bsky.social about where the world is heading on climate change and whether and how we might be able to return to 1.5°C. A mix of grief and determined, stubborn hope. Thanks to Nicola and the team at @knowablemag.bsky.social @eva-emerson.bsky.social
knowablemagazine.org
The world has veered way off-target of its climate goals. Can we rebound?
Once global warming peaks, it could take centuries to cool things back down. But we can bend the curve by cutting fossil fuel emissions now.
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Ross Macfarlane @rossmacfarlane.bsky.social · 16/04/2026
"Whether it’s climate change or a looming global recession, the script is the same: downplay, deny, and project confidence." Bessent and other Admin insiders "are wealthy enough insulate themselves from the effects of both rising temperature and economic catastrophe." @katearonoff.bsky.social
newrepublic.com
The Denialism Presidency
Climate denial has become the playbook for how the Trump administration treats everything it wants to pretend isn’t happening.
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Ken Caldeira @kencaldeira.com · 15/04/2026
We have a new paper finding that parabolic trough solar thermal collectors with molten salt energy storage could reduce both costs and GHG emissions in process heat applications, particularly in regions with strong solar resources and sufficient land availability. iopscience.iop.org/article/10.1...
iopscience.iop.org
Supplying process heat using concentrated solar thermal energy with molten salt storage
Supplying process heat using concentrated solar thermal energy with molten salt storage, Wongel, Alicia, Dowling, Jacqueline A, Weinrebe, Gerhard, Davis, Steven J, Caldeira, Ken
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Kendra "Gloom is My Beat" Pierre-Louis @kendrawrites.com · 15/04/2026
Oh: A 2022 study found that children in households that used voice commands with tools like Siri and Alexa became curt when speaking with humans, often calling out “Hey, do X” and expecting obedience, especially from anyone whose voice resembled the default-female electronic voices.
theguardian.com
AI learns language from skewed sources. That could change how we humans speak – and think | Bruce Schneier
Large language models aren’t trained on real-life conversations. As we encounter their language, it could affect our own
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Prof. Stefan Rahmstorf @rahmstorf.bsky.social · 15/04/2026
Breaking: New study using observational constraints projects that the Atlantic Ocean circulation #AMOC will weaken ~50% by 2100, even for medium emissions and without Greenland melting. 🌊 More realistic models means stronger weakening - not entirely unexpected. www.science.org/doi/10.1126/...
science.org
Science | AAAS
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Peter Gleick @petergleick.bsky.social · 13/04/2026
We'll do almost anything to avoid building actual trains.
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DB Maggi @dbmaggi.bsky.social · 12/04/2026
America is now a Mel Brooks movie. “Open the Strait of Hormuz or I’m closing the Strait of Hormuz”
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Dave Vetter @davidrvetter.bsky.social · 12/04/2026
Someone please message JD to inform him that Nigel Farage has a selection of unusually attractive couches
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Olivier Simard-Casanova @o.simardcasanova.net · 12/04/2026
I also beg him to visit France next year and strongly endorse Marine Le Pen or Jordan Bardella
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Mina Kimes @minakimes.bsky.social · 10/04/2026
I can't stop laughing at this post. It's perfect.
A guy asking ChatGPT to review a series of fart sound effects and getting a serious kiss ass response that calls it atmospheric
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Rachael King @rachaelking70.bsky.social · 10/04/2026
So frickin sick of these people taking our father’s words out of context for their own ends.
An annoying Facebook post that reads: Today in New Zealand, 30 March, 2004, history Michael King was silenced by a fatal car crash at the age of 58. He was the author of 'The Penguin History of New Zealand' which was the most popular book of the year.
Here he is being interviewed about that book as it launched. King made the point that the fashion trend of referring to our country's name as
"Aotearoa" was a State imposition. He pushed back against it.
Ironically, the title of his own book has now succumbed to the very same pressure!My response: Rachael King
Michael King did not "push back" against the use of Aotearoa, in fact used it liberally himself. Just because he lays out his understanding of the origins of the name, doesn't mean he thought it was not a legitimate name to adopt. Language evolves, and if this one word 'Aotearoa' gives us a Mãori equivalent of New Zealand to use alongside it, why is that a problem? He didn't think it was. Why should you use his words out of context to make a point that he didn't believe himself?
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Glen Peters @glenpeters.bsky.social · 10/04/2026
We have a pretty good understanding of the differences between GHG emission estimates, but when it comes to some sectors (e.g., land), estimates seem all over the place! Why is this? @wflamb.bsky.social has you covered... essd.copernicus.org/articles/18/... 1/
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Gavin Schmidt @climateofgavin.bsky.social · 08/04/2026
“If you read that New York Times article on my resignation, some guy I’ve never met who’s calling me “Kate” — I guess we’re on first-name terms, guy I’ve never met — he’s saying it’s all the scientists’ fault.“ 😂
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ashley fairbanks @ziibiing.com · 09/04/2026
i genuinely get excited whenever i see @clairewillett.bsky.social talking about the vatican i am not religious and not really even interested in religion i just love nothing more than a subject matter expert getting to put the breadth of their knowledge on display
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Claire Willett @clairewillett.bsky.social · 09/04/2026
my best guess is that a Trumpian Pentagon official, high on his own supply as they all are, thought "get your boss to play ball or we will do an Avignon on him" would genuinely intimidate AN 80-YEAR-OLD CARDINAL FROM FRANCE, which is perhaps the funniest thing anyone has ever done at the Pentagon
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Eric Columbus @ericcolumbus.bsky.social · 08/04/2026
The Pakistani Prime Minister who was the intermediary for the ceasefire tweeted yesterday that it included Lebanon
Shehbaz Sharif ‹
@CMShehbaz • 19h
With the greatest humility, I am pleased to announce that the Islamic Republic of Iran and the United States of America, along with their allies, have agreed to an immediate ceasefire everywhere including Lebanon and elsewhere,
EFFECTIVE IMMEDIATELY.
I warmly welcome the sagacious gesture and extend deepest gratitude to the leadership of both the countries and invite their delegations to Islamabad on Friday, 10th April 2026, to further negotiate for a conclusive agreement to settle all disputes.
Both parties have displayed remarkable wisdom and understanding and have remained constructively engaged in furthering the cause of peace and stability. We earnestly hope, that the
'Islamabad Talks' succeed in achieving sustainable peace and wish to share more good news in coming days!
@realDonaldTrump
@JDVance @SecRubio
@SteveWitkoff
@SEPeaceMissions @drpezeshkian
@mb_ghalibaf
@araghchi
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David Sacerdote @davidsacerdote.bsky.social · 07/04/2026
The minimum level of action right now is calling your rep and and reminding them of their obligation to impeach defector.com/i-guess-were...
defector.com
I Guess We're Just Waiting Around To See If This Demented Psychopath Kills Everyone | Defector
There is a particular indignity that comes from living in America, derived from the experience of waking up in the morning to see reports that Donald Trump has said something profoundly evil, and then...
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Timothy Snyder @timothysnyder.bsky.social · 07/04/2026
“A whole civilization will die tonight, never to be brought back again.” These are the words of the president of the United States, today. The president speaks genocide. And so we too must speak. Not only about crimes, but about their legal punishment. snyder.substack.com/p/the-presid...
snyder.substack.com
The president speaks genocide
The words, the law, the future
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Dr. Katharine Dickson @metaomicsnerd.bsky.social · 07/04/2026
Article 54 of Additional Protocol I - whose core principles are binding as customary international law even on states, like the US and Iran, that never ratified it - prohibits attacks on infrastructure indispensable to civilian survival, with only a narrow exception for objects used exclusively to sustain enemy armed forces.
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Mrs. Betty Bowers @mrsbettybowers.bsky.social · 07/04/2026
Congratulation to Astronaut Christina Koch to be the first woman in history to get that far away from dangerous sexual predator Donald Trump.
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Andy Gardner @discovery-process.bsky.social · 06/04/2026
#nzpol
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Cameron Blevins @cblevins.bsky.social · 03/04/2026
This is so, so well-articulated.
People call this friction "grunt work." Schwartz uses exactly that phrase, and he's right that LLMs can remove it. What he doesn't say, because he already has decades of hard-won intuition and doesn't need the grunt work anymore, is that for someone who doesn't yet have that intuition, the grunt work is the work. The boring parts and the important parts are tangled together in a way that you can't separate in advance. You don't know which afternoon of debugging was the one that taught you something fundamental about your data until three years later, when you're working on a completely different problem and the insight surfaces. Serendipity doesn't come from efficiency. It comes from spending time in the space where the problem lives, getting your hands dirty, making mistakes that nobody asked you to make and learning things nobody assigned you to learn.
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Andy Reisinger @andyreisinger.bsky.social · 03/04/2026
There's a reason why Rotomairewhenua is also called Blue Lake. End of summer greetings. Nelson Lakes National Park.
A strikingly blue lake nestled in green forest and grassy meadows; a yellow prickly Spaniard (Aciphylla colensoi) in the foreground on a hill overlooking the lake
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