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John Kennedy

@micefearboggis

Occasional climate scientist, diagram monkey, probabilistic historian, science anti-communicator. All views and opinions are my own. This is not, sadly, a promise of novelty: it’s a disclaimer. He/him. https://www.jkclimate.fr/

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Latest posts by John Kennedy @micefearboggis

Science needs a culture of trust much more than a culture of interpersonal skepticism and suspicion. Verification is important but we cannot base verification systems on extreme distrust. Scientists' cynicism about their colleagues' values, priorities, and integrity leaves no room for social growth.

11.03.2026 01:01 👍 26 🔁 3 💬 2 📌 0

"Will she read novels? I hope so, because a novel is one of the last technologies that still trains attention as an ethical act. It makes you inhabit another mind without extracting a summary."

Interesting piece that gazes across the epistemic abyss

09.03.2026 04:08 👍 29 🔁 5 💬 0 📌 1
RealClimate: How robust is our accelerometer? RealClimate: A new analysis of historical temperatures suggests that things are getting warmer faster, but what does it mean for the future?

RealClimate: How robust is our accelerometer? www.realclimate.org/index.php/ar...

09.03.2026 01:18 👍 12 🔁 6 💬 0 📌 1

It is, but the question is whether it is factored in correctly. They had to make projections of what various emissions would be and volcanoes always come as a surprise.

08.03.2026 09:28 👍 0 🔁 0 💬 0 📌 0

Up to a point, yes. Aerosol pollution has been decreasing too, which also adds to warming. The concern is that all of that information isn't regularly updated and included in climate model projections, so when we see a surge in warming, it's hard to say exactly what it means eg for future warming.

08.03.2026 09:09 👍 1 🔁 0 💬 1 📌 0

Would have liked to see some more outside reporting on these surface temp acceleration stories. Like discussion of the shortwave rise, the uncertainty if a cloud feedback is at play, whether you can remove the triple-dip La Nina to El Nino combo like a normal ENSO signal...

06.03.2026 17:33 👍 18 🔁 3 💬 2 📌 0

Thank you. That's very nice of you to say. An audience of one is better than I hoped for when I started blogging!

07.03.2026 14:45 👍 1 🔁 0 💬 0 📌 0
Post image

Some comments on John Kennedy (the climate scientist, not the ex-president)'s post (a post with which I largely agree!) 🧵
1. Nobody familiar w/ my views could "everything is consistent with existing model projections". Even Gemini knows my views are far more nuanced:

07.03.2026 13:38 👍 17 🔁 5 💬 1 📌 1
Preview
For a rainy day Each month, you put a little aside in a savings account. It’s not always the same amount because – you know – life is life, but each month a little gets squirreled away. Then you …

For a rainy day

Has global warming accelerated? Why? How much? How do we know? What does it all mean? etc. With hand-drawn illustrations, dodgy metaphors, and a complete lack of clear answers.

diagrammonkey.wordpress.com/2026/03/07/f...

07.03.2026 11:46 👍 43 🔁 15 💬 6 📌 3

It's free now.

07.03.2026 09:22 👍 2 🔁 0 💬 0 📌 0

This morning, it is free!

07.03.2026 09:21 👍 1 🔁 0 💬 1 📌 0
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Indicators of Global Climate Change 2024: annual update of key indicators of the state of the climate system and human influence Abstract. In a rapidly changing climate, evidence-based decision-making benefits from up-to-date and timely information. Here we compile monitoring datasets (published at https://doi.org/10.5281/zenod...

The rate of change from Forster et al paper (note the different spelling) in contrast has a physical meaning.

essd.copernicus.org/articles/17/...

06.03.2026 22:08 👍 3 🔁 0 💬 1 📌 0

Alternatively, their model doesn’t address the causes and if we don’t know what caused recent changes then we don’t know if that rate will continue into the future, increase or decrease.

06.03.2026 22:08 👍 4 🔁 0 💬 1 📌 0

I think the answers to the two questions are related. Their model is statistical with limited physical meaning. It’s not so much that the rate of warming isn’t credible but that we can’t relate that to the physical factors in future scenarios.

06.03.2026 22:08 👍 1 🔁 0 💬 1 📌 0
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An egregious encomium or execration of the evanescent, ephemeral, and effervescent made eternal and enduring through the excretions of an eejit Part VI of my alliterative and rambling notes on a minor anomaly. Part I – A multitude of possibly unsatisfying answers Part II – A panoply of trifling dissatisfactions Part III –&nb…

A small update to my long and unjustifiably profane blog post on the rollercoaster that is global temperature and the interpretations of its wrigglin' innards.

ENSO is coming

diagrammonkey.wordpress.com/2025/07/04/a...

06.03.2026 18:37 👍 18 🔁 5 💬 3 📌 1

They come after.

06.03.2026 18:34 👍 1 🔁 0 💬 1 📌 0

Yes! All analyses should be written to be updated on a regular basis.

06.03.2026 16:56 👍 2 🔁 0 💬 1 📌 0

at this point, if I wrote an opinion piece about how Nature indiscriminately publishes every ridiculous essay about AI, I have little doubt they would publish it

23.01.2026 19:28 👍 38 🔁 3 💬 4 📌 1

OK, that's one glowing AI article too many in Nature and one cosy fireside editorial too many from Science.

Can we have a prestige journal with a bit of attitude please, a little bite, a hint of tooth. Articles I want to read not shred. Papers the authors might actually have enjoyed writing.

06.03.2026 16:07 👍 24 🔁 3 💬 3 📌 0
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A Bumper Bibliography of Bombast and Brouhaha Part V of my increasingly alliterative and rambling notes on a minor anomaly. Part I – A multitude of possibly unsatisfying answers Part II – A panoply of trifling dissatisfactions P…

The preprint is now a year out of date. I read it last year, but I wondered if it had improved at all since...

diagrammonkey.wordpress.com/2025/02/16/a...

06.03.2026 15:26 👍 3 🔁 0 💬 3 📌 0

ha!

06.03.2026 15:15 👍 0 🔁 0 💬 0 📌 0

Still paywalled, alas.

06.03.2026 14:39 👍 1 🔁 0 💬 1 📌 0
Screen cap from the journal Geophysical Research Letters saying that an article is "Free Access" and instant access can be purchased for between $12 (for 48 hours of fun) and $49 for PDF download and online access.

Screen cap from the journal Geophysical Research Letters saying that an article is "Free Access" and instant access can be purchased for between $12 (for 48 hours of fun) and $49 for PDF download and online access.

Which is it GRL? Free or not free?

06.03.2026 14:30 👍 10 🔁 0 💬 3 📌 0
holistic - Wiktionary, the free dictionary

It can be...

en.wiktionary.org/wiki/wholist...

06.03.2026 09:20 👍 0 🔁 0 💬 0 📌 0

When you get older, you start making them up by mistake because you've forgotten the correct word.

05.03.2026 21:53 👍 1 🔁 0 💬 0 📌 0

Look on my works, ye Mighty, and despair!

05.03.2026 08:45 👍 5 🔁 0 💬 0 📌 0
A screen capture of six figures from Nature journals. Each of the figures contains multiple panels, often in wildly different styles and colour schemes. None of them is legible at this scale nor, one suspect, at any scale.

A screen capture of six figures from Nature journals. Each of the figures contains multiple panels, often in wildly different styles and colour schemes. None of them is legible at this scale nor, one suspect, at any scale.

Dear Nature, how are those figure limits working out for you?

05.03.2026 08:15 👍 4 🔁 0 💬 0 📌 0

Lovely. The word, that is.

05.03.2026 08:00 👍 1 🔁 0 💬 0 📌 0
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Verisimilitude Someone on Bluesky was asking people for their favourite $20 words. That seems kind of steep, but such is inflation. Mine were: peristeronic, septentrional, titivation, and velleity. However, the l…

Q. What do CGI cigarette butts and global temperature estimates have in common?

A. Verisimilitude.

diagrammonkey.wordpress.com/2026/03/03/v...

05.03.2026 07:52 👍 1 🔁 0 💬 1 📌 0
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Verisimilitude Someone on Bluesky was asking people for their favourite $20 words. That seems kind of steep, but such is inflation. Mine were: peristeronic, septentrional, titivation, and velleity. However, the l…

Word of the day is verisimilitude

On data, reality, realism, the texture of reality and, yes, verisimilitude.

diagrammonkey.wordpress.com/2026/03/03/v...

03.03.2026 14:12 👍 2 🔁 2 💬 0 📌 0