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Colm Duffy

@colmduff.bsky.social
379 followers 662 following 298 posts

Father|Environmental Scientist|Software Engineer|Nature Lover |SciFi/Fantasy fan 🖥️ 🐍 🌎 🌳 🐕 🇮🇪 Currently University of Galway. Former: University of Limerick/James Hutton Institute.

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Colm Duffy @colmduff.bsky.social · 29/09/2026
Like may Irish people, I do not hate Israel. But I do hate what the state of Israel has done to the Palestinian people. And I do not think that genocide should be ignored or normalised. There are 10,000 still buried under the rubble of Gaza .... www.theguardian.com/football/202...
theguardian.com
Israel captain stokes feud by saying ‘our country is 10 times better than Ireland’
Manor Solomon has reacted angrily to the Republic of Ireland team’s behaviour before their Nations League match in protest at Israel’s military action in Gaza
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Róisín Moriarty @roisinmoriarty.com · 02/09/2026
The risks of overshoot are clear but so too are the actions that we need to take to keep 1.5 degrees in reach. 1. Stop burning fossil fuel 2. Reduce methane emission 3. Protect nature These are all things that can be done... #LimitingOvershoot
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Róisín Moriarty @roisinmoriarty.com · 18/08/2026
This was such a great paper to work on, with a great team, so I was delighted when we got the news yesterday that is has been selected as standout open access Irish research paper for 2025 @ioppublishing.bsky.social As @colmduff.bsky.social makes clear in his article below, methane is methane.
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Colm Duffy @colmduff.bsky.social · 17/08/2026
This time last we published a paper on temperature neutrality. Really happy to see that its been selected by IOP for their collection of standout research published in Ireland for 2025. I have shared a few thoughts on LinkedIn as to why this research is as important as ever. lnkd.in/p/dmQPRs2e
lnkd.in
Celebrating the reach of OA research published in the Ireland | Colm Duffy
It is great to see that IOP Publishing has selected a paper we published on Temperature Neutrality this time last year for its collection celebrating standout research published in Ireland in 2025. T...
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Colm Duffy @colmduff.bsky.social · 15/08/2026
Academic scrutiny is important, but how this man was treated is an absolute disgrace. His accuser set out to incite a, all too willing, mob. Cambridge didn't do enough to protect a vulnerable employee with a disability. The media dogged him relentlessly. www.theguardian.com/uk-news/2026...
theguardian.com
Jason Arday, professor at centre of Cambridge plagiarism row, found dead
Academic was pronounced dead at his home in south London after police called to address after 3pm on Friday
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Colm Duffy @colmduff.bsky.social · 14/08/2026
Fossils show huge carbon emissions harm forests, not ‘green the planet’ www.theguardian.com/us-news/2026...
theguardian.com
Fossils show huge carbon emissions harm forests, not ‘green the planet’
Study of 56m-year-old leaves counters claims from Trump administration members of ‘benefits’ of fossil fuel pollution
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Colm Duffy @colmduff.bsky.social · 04/08/2026
Fellow reviewers 📣: Anonymity is a tool for honesty, not a license for cruelty. Opening a review with "This is poorly written" is unhelpful and unprofessional. Give specific, actionable critique. We’re here to improve the research and build the field up, not tear people down.
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Colm Duffy @colmduff.bsky.social · 16/07/2026
This is pretty pathetic...
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Colm Duffy @colmduff.bsky.social · 11/06/2026
Fifa world cup is not exactly shaping up to be a tournament for the people now is it? ....
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Colm Duffy @colmduff.bsky.social · 05/06/2026
If this is accurate, it would seem that @saic-edu.bsky.social is less concerned about critical thinking and education of students and more re-education of staff. ‘We call it the P-word’: Chicago professor suspended after assignment mentions Palestinians www.theguardian.com/us-news/2026...
theguardian.com
‘We call it the P-word’: Chicago professor suspended after assignment mentions Palestinians
School of the Art Institute of Chicago professor put under investigation after a student complained about a case study
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Colm Duffy @colmduff.bsky.social · 01/06/2026
Very well articulated.
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Colm Duffy @colmduff.bsky.social · 30/05/2026
This reminds me of an ad on the radio I heard recently, telling farmers and ordinary householders what they should be doing to reduce their energy consumption ..... Meanwhile ...
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Róisín Moriarty @roisinmoriarty.com · 21/05/2026
This morning Irish climate experts wrote to Minister O'Brien @deptcee.bsky.social to express deep concern that urgent #methane reduction risks being undermined if climate targets are set using a ‘temperature neutrality’ approach. 1/13
irishtimes.com
International scientists plead with Ireland not to adopt controversial greenhouse gas assessment method
Scientists raise alarm over proposal to ease Ireland’s climate obligations
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Colm Duffy @colmduff.bsky.social · 11/05/2026
Matt Cooper trying to deal with the "nuanced" views on the conflict in Gaza. Christ ... Parroting propaganda as fact, and dismissing fact with a hand-wave. open.spotify.com/episode/0LqB...
open.spotify.com
Spotify – Web Player
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Colm Duffy @colmduff.bsky.social · 24/04/2026
Very happy to have worked with the Ryan Institute at University of Galway to get this Policy Brief on Temperature Neutrality out. www.linkedin.com/posts/colm-d...
linkedin.com
#climatechange #climateneutrality #climatemitigation #climateaction… | Colm Duffy
📣 I am very happy to share a short policy brief on the interpretation of “climate neutrality”, in particular the use of “temperature neutrality” (TN), currently under discussion in Ireland. The brief...
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Colm Duffy @colmduff.bsky.social · 20/04/2026
We published a reply to comment on our recent Temperature Neutrality Paper. The (very) short version: If everyone does it, the very assumptions that underpin it are invalidated. #ClimateChange #ClimateMitigation #Climatepolicy #TemperatureNeutrality www.linkedin.com/posts/colm-d...
linkedin.com
National temperature neutrality, agricultural methane and climate policy: reinforcing inequality in the global food system | Colm Duffy
📣 This morning we have a 🗞️ new paper (reply to comment) out in Environmental Research Letters: It highlights a simple but important problem with “temperature neutrality” (TN) as a national climate t...
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Colm Duffy @colmduff.bsky.social · 15/04/2026
Good article here summing up some of the challenges around the fuel protests www.irishexaminer.com/opinion/comm...
irishexaminer.com
Conor McCabe: Protesters' grievances are real — they're bearing a heavy load
Responsibility for the time-sensitive targets at the heart of national policy is carried by agricultural contractors who are struggling to make repayments on loans for the necessary heavy machinery, a...
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Colm Duffy @colmduff.bsky.social · 15/04/2026
Wanna try our AFOLU research prototype? OptiGob lets you explore livestock, land use & climate trade-offs under land and emission constraints. It is in beta, your feedback is most welcome. goblin.cs.universityofgalway.ie #AFOLU #LandUse #ClimatePolicy
goblin.cs.universityofgalway.ie
Streamlit
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Colm Duffy @colmduff.bsky.social · 05/04/2026
In a cardiac emergency, every minute matters. Early defibrillation can increase survival chances by up to 70%, but only if an AED is nearby and accessible. We’re working to get an AED installed and maintained in Lakeview, Midleton. If you can, please contribute or share: gofund.me/42a957379
gofund.me
Donate to Every Second Counts: A Community AED for Lakeview, Midleton., organized by Colm Duffy
Hi everyone, My name is Colm Duffy, and I am writing this … Colm Duffy needs your support for Every Second Counts: A Community AED for Lakeview, Midleton.
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Colm Duffy @colmduff.bsky.social · 15/03/2026
Great working paper by @swimsure.bsky.social We need need stronger policies and deeper emissions cuts if we are to be 1.5 aligned. ‘Consistent Paris Test assessment of the 2024 Proposal for Ireland’s 2031–2040 carbon budgets’ – report now out! www.linkedin.com/pulse/consis...
linkedin.com
‘Consistent Paris Test assessment of the 2024 Proposal for Ireland’s 2031–2040 carbon budgets’ – report now out!
In this report I get deep into some of the detail underpinning the Climate Change Advisory Council (CCAC) Proposal for the 2031–3040 carbon budgets. Thanks to Environmental Justice Network Ireland (EJ...
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Colm Duffy @colmduff.bsky.social · 15/03/2026
🗞️ ✨ New paper, led by Tara Kenny, examines the Dublin Declaration (DD). We find many authors of the DD are connected via livestock industry networks, largely from high-income countries, with notable levels of self-citation across the literature. link.springer.com/article/10.1...
link.springer.com
Unpacking industry influence in academia and public policy: a case study of the Dublin Declaration of Scientists - Agriculture and Human Values
Agriculture and Human Values - The climate emergency poses many challenges for planetary health in the 21st century. Agriculture and food systems reform, including reductions in livestock...
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Colm Duffy @colmduff.bsky.social · 10/02/2026
“I’m not in fear of the other inmates. I’m afraid of the staff. They’re capable of anything.” www.theguardian.com/us-news/2026...
theguardian.com
Irish man held in ICE detention says he fears for his life and asks Ireland for help
Seamus Culleton describes conditions as ‘torture’ as he pleads with taoiseach to raise his case with Donald Trump
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Colm Duffy @colmduff.bsky.social · 03/02/2026
It's like we're all trapped in an episode of South Park ... www.theguardian.com/us-news/2026...
theguardian.com
‘It’s sick’: Trump administration uses mascot called ‘Coalie’ to push dirtiest fossil fuel
Cartoon lump of coal with giant eyes was spotlighted by US interior secretary in X post saying: ‘Mine, Baby, Mine!’
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Colm Duffy @colmduff.bsky.social · 25/01/2026
This is absolutely terrifying. Execution of protesters is not acceptable. It is not law enforcement. And the repeated lies by those in power are only meant to cause confusion and delegitimise what your eyes are telling you. www.theguardian.com/us-news/2026...
theguardian.com
Video contradicts Trump’s claim man killed in Minneapolis was a ‘gunman’
Video evidence reviewed by Guardian shows Alex Pretti, killed by agents in Minneapolis, held a phone, not a gun
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Colm Duffy @colmduff.bsky.social · 17/01/2026
I appreciate that everyone is probably numb at this stage. But this is absolute insanity. youtube.com/shorts/BtCh3...
youtube.com
How We Photographed an ICE Confrontation in Minneapolis
YouTube video by The New York Times
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Colm Duffy @colmduff.bsky.social · 10/01/2026
There is seems to be little appetite to hold the wealthy to account. www.theguardian.com/environment/...
theguardian.com
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
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Colm Duffy @colmduff.bsky.social · 10/01/2026
For the record, this was a murder. www.theguardian.com/us-news/2026...
theguardian.com
Renee Nicole Good said ‘I’m not mad at you’ before ICE agent shot her, video shows
Clip first posted by partisan outlet Alpha News shows perspective of ICE agent as Good was fatally shot
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Colm Duffy @colmduff.bsky.social · 07/01/2026
This has been flagged for some time now ... In fact, the comprehensive report by the Irish Fiscal Advisory Council last March was entitled "a colossal missed opportunity" for crying out loud! jrnl.ie/6920248
jrnl.ie
Alarm for possible €28bn climate fine as Ireland falls way short on greenhouse gas targets
The government had committed to reducing the emissions by 51 per cent between 2018 and 2030, which it is now not on track to achieve.
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Colm Duffy @colmduff.bsky.social · 29/11/2025
Below is a terrifying reminder of why we must limit global warming, now. Emissions must peak this year to achieve 1.5 with no or limited overshoot. What the hell are we waiting for. ... Revealed: Europe’s water reserves drying up due to climate breakdown www.theguardian.com/environment/...
theguardian.com
Revealed: Europe’s water reserves drying up due to climate breakdown
Exclusive: UCL scientists find large swathes of southern Europe are drying up, with ‘far-reaching’ implications
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Colm Duffy @colmduff.bsky.social · 15/11/2025
Obviously there are climate deniers out there, and I am following a number of COP30 posts on LinkedIn. Maybe I shouldn't be, but I can't help but be surprised at the sheer volume of climate denial on there. #climatechange #climateaction
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Colm Duffy @colmduff.bsky.social · 07/11/2025
Our global food system alone would push us past 1.5, even if we eliminated fossil fuels tomorrow. Here are some reflections after "digesting" EAT-Lancet 2.0 medium.com/greener-toge...
medium.com
A Global Food System Worth Fighting For.
The multifaceted pressures on our food systems are growing, but our willingness to face them is not.
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Colm Duffy @colmduff.bsky.social · 05/11/2025
"During the talks the Irish delegation said EU states could not be “unfairly penalised” for missing the approaching targets, or have resources that could be invested into the green transition redirected to paying huge fines." if you have the resources!? www.irishtimes.com/world/europe...
irishtimes.com
EU states agree deal on 2040 climate target
Compromise deal gives EU states more flexibility to meet ambitious 2040 climate targets
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Colm Duffy @colmduff.bsky.social · 01/11/2025
Our poster for the IAMC 2025 Digital Poster Festival explores national-to-catchment integrated assessment with GOBLIN & GeoGOBLIN, linking land use, climate, water, biodiversity & economy. 🔗 zenodo.org/records/1746... #IAMC2025 #Climate #LandUse #NetZero #AFOLU #Water #Biodiversity
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Paul Price @swimsure.bsky.social · 28/10/2025
In their Letter to the Editor published in the Irish Times @irishtimes.com, the scientists set the record straight by rebutting multiple errors in John FitzGerald's opinion piece last week: "Framing the debate as a false dichotomy...distracts from the real choices" www.irishtimes.com/opinion/lett...
Screenshot of the first half of a letter published in the Irish Times – Letters to the Editor, October 26th, 2025.

Text reads:
"Climate change and farming

Sir, – In his recent article “Cutting the entire cattle herd to reduce emissions makes no economic sense,” Prof John FitzGerald usefully acknowledges the scale of change required in the Agriculture, Forestry and Other Land Use (AFOLU) sector.

However, his article misrepresents our recent study, National temperature neutrality, agricultural methane and climate policy: reinforcing inequality in the global food system.

First, FitzGerald writes that “some of these scientists also argue that Ireland should essentially end all livestock production”, and implies that this is advocated in our study. That is incorrect.

Our study does not call for ending livestock farming. Nor does it make any recommendations about its future structure or scale.

Second, FitzGerald suggests our work advocates a per-capita methane quota. It does not. We presented per-capita methane as a diagnostic to illustrate disparities in methane emissions across countries.

The study does not propose a quota or trading scheme. Our study highlights the risks and uncertainties created for Irish society by the Climate Change Advisory Council’s (CCAC) proposed “temperature neutrality” approach to carbon budgets, which defines climate ambition around a moving target that depends on uncertain future global emissions.

It also exposes the underlying value judgments embedded in this framing, which undermine climate ambition, global fairness, food security and land use policy.

Arguments that hide the scale of the climate challenge behind a flawed national “temperature neutrality” target, and the false premise that Ireland’s agricultural sector is economically optimised and feeding the world, have become increasingly common.

However, they avoid the clear-headed, strategic decisions needed to set Irish farmers up for success in a rapidly changing world.

2 Text:
"From a global food security perspective, Ireland exports around 90 per cent of its animal-sourced food products, yet less than 1 per cent of those exports reach low-income, food-insecure countries.
Domestically, fewer than half of Irish farms are economically viable, despite the sector receiving billions in public subsidies.
Post-2030, Irish taxpayers will be paying billions of euro to purchase carbon credits from overseas to compensate for missing EU climate targets. Continuation of business-as-usual sells both Irish farmers & society short by failing to invest in our land’s potential to deliver healthy & sustainable food, bio-based materials, energy, carbon removals & ecosystem services.
Our study does not present an extreme position. Instead, it calls for ambitious, Paris Agreement-aligned land use policy with clear targets, enabling Irish society to steer the AFOLU sector toward a sustainable transition pathway.
The potential for a positive, resilient, & diversified AFOLU sector is clearly shown in scenario modelling contained in the yet-to-be-released Land Use Review Phase 2 report completed in May this year.
The question is not whether farming will dramatically change over the coming decades, but how that change can be managed to deliver the most robust, sustainable, & secure outcomes for Irish society.
Framing the debate as a false dichotomy between a flawed climate target and an “end to livestock farming” distracts from the real choices involved in shaping a more sustainable, resilient, & vibrant AFOLU sector.
The climate, Ireland’s farmers, & society as a whole, are best served by ambition, scientific rigour & robust debate on real choices, not by shifting goalposts, or the mischaracterisation of legitimate research & researchers as extreme or anti-farming. – Yours, etc,

Dr COLM DUFFY
University of Galway,

Dr RÓISÍN MORIARTY
University College Cork,

Prof HANNAH DALY,
University College Cork

DAVID STYLES
associate professor, University of Galway
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Colm Duffy @colmduff.bsky.social · 28/10/2025
Our response to Prof FitzGerald calls for scientific rigour, ambition, transparency and a good-faith public debate on the real choices facing Irish society.
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Colm Duffy @colmduff.bsky.social · 15/10/2025
New Zealand’s adoption of a “no additional warming” methane target marks a turning point, but not a good one. It dilutes global effort when ambition must rise. Pleased our work is cited in this @irishtimes.com article. #climatechange www.irishtimes.com/environment/...
irishtimes.com
Ireland urged not to follow New Zealand in changing methane targets
New Zealand’s government to rewrite its climate law and row back on emissions commitments
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Colm Duffy @colmduff.bsky.social · 14/10/2025
As a PhD student at University of Galway, Catherine Connolly lent her support to our Fossil Free campaign. In 2019, she gave me a reference that I am still grateful for On Oct 24th, I’ll be voting for the candidate who shows empathy, kindness, and a people-focused sense of justice. #IrishPolitics
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Colm Duffy @colmduff.bsky.social · 10/10/2025
When we need strong leadership the most. This is so weak.
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Colm Duffy @colmduff.bsky.social · 09/10/2025
🌍Worried about you climate impact? 💰Are those annual NCT repairs hitting your wallet? ⚡Thinking about EVs? ⚖️I compared my old Corolla to a new EV. medium.com/sustainable-...
medium.com
Life After Diesel: Going Electric in Ireland?
A €1,200 repair bill on my 13-year-old Toyota Corolla made me ask the obvious question: is it time to ditch my diesel?
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Colm Duffy @colmduff.bsky.social · 08/10/2025
This just heartbreaking.... Young lives cut short on an unimaginable scale: the 18,457 children on Gaza’s list of war dead www.theguardian.com/world/ng-int...
theguardian.com
Young lives cut short on an unimaginable scale: the 18,457 children on Gaza’s list of war dead
Every name on a list compiled by health authorities in Gaza of the child victims of Israel’s offensive
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Colm Duffy @colmduff.bsky.social · 06/10/2025
On the 17 September, a JOC (CEE) heard testimony on Temperature Neutrality (TN). We made a submission otlining the risks of adopting TN and calling for the release of the Land Use Review 2 report. This submission: 📄 doi.org/10.5281/zeno... Background paper: iopscience.iop.org/article/10.1...
doi.org
Submission to the Joint Oireachtas Committee on Climate, Environment and Energy: Pitfalls of Adopting Temperature Neutrality as a Climate Target
This record contains the formal submission from Dr Colm Duffy and Dr David Styles (University of Galway) to the Joint Oireachtas Committee on Climate, Environment and Energy, dated 11 September 2025. ...
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Colm Duffy @colmduff.bsky.social · 03/10/2025
Well done @thinkorswim.bsky.social. This is a bloody great read, had to pick my jaw up off the floor a few times! If you ever write an autobiography, I will definitely read it.
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Colm Duffy @colmduff.bsky.social · 29/09/2025
Words do indeed matter. It's just a shame that Rowling only seems to recognise the injury other people's words do to her, without ever sparing a thought for the damage she has done to the rights, dignity and safety of many others. www.theguardian.com/film/2025/se...
theguardian.com
‘She is ignorant of how ignorant she is’: JK Rowling responds to Emma Watson rift
The author has rebuffed conciliatory remarks made by the Harry Potter actor, saying Watson has ‘enthusiastically participated’ in the ‘trashing of women’s rights’
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Colm Duffy @colmduff.bsky.social · 22/09/2025
Giving Hamas a prize? I can assure you, this is not about prizes, and they certainly do not hand out prizes for the starvation of women and children. If you would rather see people starve than recognise their right to self determination, then you are broken. www.theguardian.com/world/2025/s...
theguardian.com
Israeli politicians react bitterly to international recognitions of Palestinian state
Experts say move by nations including UK and Australia won’t change government policy and could strengthen its grip on power
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Colm Duffy @colmduff.bsky.social · 21/09/2025
Are you living with AI Creep? It is an important part of my workflow, its a notepad, a tutor, and a sounding board, for me at least. It is reshaping everything from the classroom to our mental health in suprising, and sometimes terrifying ways. Here is my take. medium.com/@colmduffy/g...
medium.com
God in a Box
I’ve been thinking about AI for some time now, and I’ve been experimenting with it in my daily workflow. It is undoubtedly powerful. It has…
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Colm Duffy @colmduff.bsky.social · 16/09/2025
Pretty rough viewing at times. I am staggered by the levels of hypocrisy and self-delusion. I don't know how you reason with it when the conclusions reached are so unreasonable. 'Our Genocide': How do Israelis feel about the war in Gaza? – video www.theguardian.com/world/video/...
theguardian.com
'Our Genocide': How do Israelis feel about the war in Gaza? – video
Reporter Matthew Cassel speaks to Israelis in Tel Aviv, to see what they think of the war, famine and genocide happening next door, and the growing international condemnation against it
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Colm Duffy @colmduff.bsky.social · 10/09/2025
I share concerns around tools that, misused, reduce engagement and broader understanding that you get from reading around topics. But, perhaps there is a way to maximise the benefits and minimise the trade-offs. There are some different takes in this podcast open.spotify.com/episode/2bYR...
open.spotify.com
A.I. School Is in Session: Two Takes on the Future of Education
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Colm Duffy @colmduff.bsky.social · 08/09/2025
Not a lot I disagree with in John's big picture view.
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Colm Duffy @colmduff.bsky.social · 06/09/2025
This looks pretty interesting 🤔 Best I can tell, it's also free.
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Colm Duffy @colmduff.bsky.social · 02/09/2025
🪤 Its a trap!? Does “no additional warming” reinforce systems traps? I take our recent paper on temperature neutrality and put it through a #SystemsThinking lens — looking at how it reinforces the very traps we need to escape. #ClimateChange #ClimateMitigation 👉 medium.com/@colmduffy/t...
medium.com
Through the Lens Systems Thinking
No Additional Warming and Systems Traps
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