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Ketan Joshi

ketan@climatejustice.social

<p>Hi, I&#39;m a climate and energy guy</p>

Posts

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    I&#39;ve got some stern criticism to make of Jensen Huang for not being faithful................TO THE CLIMATE https://ketanjoshi.co/2026/09/16/nvidias-ai-climate-hoax-report/

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    &quot;Moving infrastructure beyond Earth does not mean deleting its environmental footprint, although it risks moving it out of sight&quot; Unsurprisingly: space-based data centres are still an environmental risk https://www.bennettschool.cam.ac.uk/blog/data-centres-in-space/

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    Holy moly. New study shows that data centres extending the lifespan of coal plants could add nearly 2 gigatonnes of CO2-e into the future. https://www.nature.com/articles/s41558-026-02794-8

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    &quot;AI power rush sends data centres hunting for used turbines and jet engines&quot; Totally normal industry just runnin&#39; all the emails and text messages, very innocent https://www.reuters.com/business/aerospace-defense/ai-power-rush-sends-data-centres-hunting-used-turbines-jet-engines-2026-11-09/

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    Protests against data centers held across Europe https://www.lemonde.fr/en/economy/article/2026/11/09/protests-against-data-centers-held-across-europe_6775706_19.html

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    We understood that celebrating COVID&#39;s climate &quot;benefits&quot; was beyond the pale, yet somehow, celebrating America&#39;s attacks on Iran, which killed several hundred schoolchildren, has become an acceptable thing to celebrate as climate action (mostly from the &#39;clean tech&#39; groups that have formally dissociated themselves from any life-saving argument for emissions reductions).

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    &quot;An analysis from benchmarking company Vals AI found that using AI to build a software application can have an environmental impact 10,000 times greater than that of a simple query&quot; https://www.bloomberg.com/news/articles/2026-11-08/what-are-ai-s-emissions-energy-use-what-we-know-about-claude-deepseek-openai

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    NEW ANALYSIS OUT FOR COP31 Once operational, a single Amazon data centre will in one year wipe out the efforts of signatories to the ‘climate pledge’ 22 times over... Why the value of a Big Tech promise has dropped to zero: https://caad.info/analysis/reports/actionable-intelligence/

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    This is one of those things that&#39;s ripe for being over-celebrated by those outside Norway so let&#39;s nip it in the bud: It&#39;s good our gov&#39;t is pausing data centre approvals and **very VERY BAD** they are urging new fossil fuels (which will absolutely wreck the low emissions of our famously clean grid) greenwashed with obviously-hollow CCS promises to run them

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    Nice Oil Change International analysis here: three ultra-massive fossil fuelled data centre projects in the US that&#39;d have their pathway eased by badly-designed permitting reform. HUGE emissions numbers here https://oilchange.org/blogs/how-the-baaja-could-unlock-a-massive-expansion-of-data-center-linked-gas-infrastructure/

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    Lol, this is an amazing story. A Canadian firm says it&#39;s going to use AI to extract more fossil fuels which can then be used to power AI https://www.desmog.com/2026/11/04/ai-needed-to-produce-more-gas-to-power-more-ai-tech-firm-cohere-says/

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    Apparently there are data centre sites in the US with *800* three megawatt reciprocating gas engine turbines https://www.latitudemedia.com/news/the-new-landscape-for-gas-turbines/

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    Just........wow 🫨 35 of 35 (!!) ballot measures on data centres in US midterms vote to restrict data centre development 28 of 35 feature over 70% voting to crack down on data centres https://ballotpedia.org/Data_center-related_ballot_measures,_2026

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    Just........wow 🫨 35 of 35 (!!) ballot measures on data centres in US midterms vote to restrict data centre development 28/35 with &gt; 70% voting to crack down on data centres https://ballotpedia.org/Data_center-related_ballot_measures,_2026

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    &quot;Worryingly, according to Future Energy Networks, UK gas grids got 113 data center connection enquiries in 2024-25. 7 were accepted, adding up to 15.4 TWh of gas capacity - enough to heat 1.3 million homes&quot; https://www.linkedin.com/posts/paczyzak_7-uk-data-centers-secured-154-twh-of-gas-share-7521501546384150529-J_5H/?rcm=ACoAABBbg1kBL4bGVwJOur529vIonS7OTt82ADg

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    Some absolutely mind-boggling numbers in this excellent article. As I&#39;ve been screaming for years now: AI is on track to become a major global polluting industry on par with the worst we&#39;ve got today. https://www.washingtonpost.com/technology/2026/10/19/big-tech-vowed-lead-climate-now-its-driving-fossil-fuel-boom/

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    There is still an air of uncomprehending confusion in tech (and frankly, even in some climate / energy spaces) around why people do not like AI https://www.choice.com.au/data-protection-and-privacy/data-collection-and-use/how-your-data-is-used/articles/australians-not-happy-with-ai

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    &quot;We&#39;re going off grid using gas, to reduce bills&quot; - no, you&#39;re not. You&#39;re switching from the power grid to the gas grid. Plus you&#39;re raising the costs of air pollution and climate pollution. &quot;Worryingly, according to Future Energy Networks, UK gas grids got 113 data center connection enquiries in 2024-25. 7 were accepted, adding up to 15.4 TWh of gas capacity - enough to heat 1.3 million homes&quot; https://www.linkedin.com/posts/paczyzak_7-uk-data-centers-secu...

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    &quot;Elon Musk’s AI company xAI is reportedly looking to buy as many as 418 homes in a Mississippi neighbourhood near its data centres. However, the offers come with a condition: homeowners must agree not to join a lawsuit against the company over noise from its nearby power plant&quot; https://timesofindia.indiatimes.com/technology/tech-news/elon-musks-ai-company-is-reportedly-targeting-418-homes-near-its-mississippi-data-center-with-buyout-offers-tied-to-waiving-noise-lawsuit-claims-county-r...

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    Nothing demonstrates the ugly, frantic desperation in the air around the AI boom and fossil fuels than this company https://arstechnica.com/gadgets/2026/10/united-airlines-ceo-doubts-supersonic-airliner-from-boom-will-be-ready-by-2029/

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    Ireland&#39;s Climate Council puts it really nicely: when expanding data centre demand eats up renewable energy, you have nothing left to serve fossil fuel replacement, or to push prices down, or to clean up our air. What is renewable energy for? Is it to serve society, or is it to serve Mark Zuckerberg and Sam Altman? You have to think about that question and answer it, instead of ignoring it. https://www.climatecouncil.ie/media/climatechangeadvisorycouncil/contentassets/documents/news/CCAC-...

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    Norway&#39;s water and resources directorate warns data centre growth without new power additions will result in high prices, and crowding out of other industries https://www.reuters.com/business/energy/data-centre-growth-triggers-backlash-norway-over-power-deficit-concerns-2026-10-29/

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    I wonder if Anthropic loudly and unambiguously hand-wringing that it&#39;s not going to be able to burn enough fossil fuels is going to discourage climate orgs from buying obscenely expensive Claude subscriptions https://www.wired.com/story/anthropic-ipo-identifies-gas-supply-as-big-near-term-risks/

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    The grim opposite of Denmark de-prioritising data centre connections - Germany de-prioritising renewable energy connections https://www.cleanenergywire.org/factsheets/qa-will-germanys-upcoming-electricity-grid-reform-slow-down-energy-transition

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    Just a nice, simple, open dataset of US data centre projects (thank you FracTracker) https://experience.arcgis.com/experience/5a4d072ad01449bba5698a80103fb909

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    Fossil fuels cause blackouts https://slguardian.org/sri-lankas-810mw-coal-power-plant-to-remain-offline-after-nationwide-blackout/

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    A nice modelling demonstration of the fact that even as the efficiency of computation improves, total climate impacts from data centre growth still rise https://en-roads.climateinteractive.org/scenario.html?v=26.10.0

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    Universities around the world are rapidly adopting energy-intensive fossil-fuelled genAI software, and basically none of them are disclosing the climate costs - my new piece for Crikey, here: https://www.crikey.com.au/2026/10/22/unsw-artificial-intelligence-openai-chatgpt-energy-impact-environment/

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    This is reflective of a broader trend in the world formerly known as &amp;#39;climate tech&amp;#39; where people, orgs and companies are ditching climate and pivoting instead to serving the hunger of big tech https://heatmap.news/energy/net-power-data-center-boom

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    I often hear &amp;quot;you can use a chatbot if you have expertise in your field&amp;quot; but.....here&amp;#39;s a world-record-holding adventurer asking Claude about powering a satellite connection while out in the field, getting the wrong answer, and then losing contact for 18 hours. Turns out experts are vulnerable to laziness and slop as much as everyone else.