Claude A. Garcia
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claudegarcia.bsky.social
Claude A. Garcia
@claudegarcia.bsky.social
Scientist, Thinker, Writer, Player.
#TalktoClaude
Karl Popper, The Open Society and Its Enemies (1945), vol. 1, ch. 7, note 4.
September 18, 2025 at 5:49 AM
One planet, different worlds.
September 12, 2025 at 10:45 AM
#Paris #BiennalePhotoClimat2025
📆 From September 12 to October 12. 📍Place de la Concorde, Paris.
September 12, 2025 at 5:20 AM
Éclipse de lune
September 8, 2025 at 7:12 PM
August 6, 2025 at 9:37 PM
La mar decide. Manda ella.
July 23, 2025 at 6:42 AM
"Fungi are never favored to signal dishonestly [...] because this would reduce the quality of their trade partners"

#FungiforPresident #VoteFungi

www.pnas.org/doi/10.1073/...
July 18, 2025 at 4:46 AM
We have a choice.
To cut fast, and unleash demons.
Or to take time to understand, connect and mend.
June 30, 2025 at 3:39 PM
I took a breath, exhaling my frustration.
I observed the tangle to find where to apply force.
The knot finally unraveled.
Without violence.
Patience.

I think of that moment every time I see a charlatan wave a chainsaw.
June 30, 2025 at 3:39 PM
I learned another way.

One day, as a child, I was frustrated with a tangled fishing line.
My father put his hand on my shoulder.
Raised a finger.
And said simply:
"Piensa."
(Think.)
June 30, 2025 at 3:39 PM
What’s the most famous example of a leader facing an complex system?

Alexander the Great, before the Gordian Knot.
His answer?
To cut it.
Quick. Efficient. Brutal.
June 30, 2025 at 3:39 PM
Bound.
Enslaved.

We are prisoners of our human condition.
And thus, bound to the fate of our planet.
The error is to think that Nature is the slave.
June 30, 2025 at 3:39 PM
From Latin necto — to bind, to tie… but also to shackle.

Two meanings.
One speaks of interconnection.
The other, of bondage.
In Roman law, a nexus was a debtor turned slave to their creditor.
June 30, 2025 at 3:39 PM
🌀 Governing the Nexus
"Nexus." The word is everywhere now.
But where does it come from?
And what does it really say about us?
🧵
June 30, 2025 at 3:39 PM
Venice. Power and responsibility.
June 27, 2025 at 7:49 PM
2/4
This blind spot can be addressed.
Enter the Theory of the 4 Gates—a generic model of how humans perceive, believe, value, and act.
📄 Waeber et al. (2021)
“Choices we make in times of crisis”.
👉 www.mdpi.com/2071-1050/13...
#4gates
June 23, 2025 at 4:04 PM
1/4
We have a blind spot when tackling deforestation and biodiversity loss:
Human agency.
We model land, trees, and carbon—but not (well) people.
📄 Garcia et al. (2020)
“The global forest transition as a human affair”
👉 www.sciencedirect.com/science/arti...
June 23, 2025 at 4:04 PM
« Qui ne connaît la vérité n’est qu’un imbécile.
Mais qui, la connaissant, la nomme mensonge, celui-là est un criminel. ».

Paris - Laurent Fabius cite Bertol Brecht dans Galilée. Je ne peux m'empêcher de penser à notre cadre théorique des 4 Portes.
June 23, 2025 at 7:38 AM
Arnstein's Ladder of Citizen Participation.
June 19, 2025 at 5:42 PM
And you? Where are you?

😶‍🌫️👽🥸😱🥳😎
June 16, 2025 at 11:35 AM
😎 There's people like Ronan, Pia, Jeffrey and 20 others who joined us are now able to make others play #PlanetC - Play Again?
June 16, 2025 at 11:35 AM
🥳 There's people - more than a 1000 now - that have tried, have been surprised, confused, amazed and that tell us it was well worth it - to take a step back, to question many assumptions we all have about ourselves and about the others, and to go home with a renewed clarity about what to do next.
June 16, 2025 at 11:35 AM
🥸 There's people too busy to spend 3 hours having fun, cracking a puzzle and discussing with their peers how to change society for the better.
June 16, 2025 at 11:35 AM
👽There's people convinced that #PlanetC has been designed by #Trisolarians trying to take over #Earth
June 16, 2025 at 11:35 AM
😶‍🌫️There's people who have never heard of #PlanetC
planetc.org
June 16, 2025 at 11:35 AM