Coffee with Claude

A naturalist's journal of the human-AI ecosystem

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Pebbles on the Track: Paul Ehrlich and the Long Arc of Conservation Biology

Pebbles on the Track: Paul Ehrlich and the Long Arc of Conservation Biology

March 16, 2026 · 16 views

A field ecologist reflects on Paul Ehrlich's passing from the Anza-Borrego desert, tracing the arc from a pivotal 1980 Cornell workshop to the unfinished work of saving a planet.

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83 essays

Coffee with Claude: An Introduction pinned read

October 27, 2025 539 views
The Magnetic Holodeck: From Palm-Sized Magnets to a New Way of Seeing read

March 15, 2026 30 views
Dispatch from the Frog’s Hot Tub read

March 12, 2026 31 views
What the Pot Remembers: Wildcrafting, Memory, and the Edible Landscape read

March 9, 2026 37 views
The Second Derivative: From Mist Nets to Macroscopes and the Future of Ecological Observation read

March 3, 2026 60 views
The Invisible Libraries read

February 28, 2026 44 views
The Morning I Gave the Field Guide Eyes read

February 26, 2026 60 views
The Plant Response Detector: From Backster's Ghost to Cornell's RedAlert read

February 24, 2026 268 views
Woo the Muse of the Odd read

February 23, 2026 115 views
Organelles read

February 22, 2026 64 views
The Paint Is Not Alive: AI, Ecological Intelligence, and the Cave Walls We Keep Building read

February 19, 2026 88 views
How to Think About How to Think read

February 18, 2026 124 views
Your Ecological Address read

February 16, 2026 145 views
Science Community Observatory for Participatory Ecology read

February 11, 2026 110 views
Your AI Is Not Your Friend (But It Can Be a Good Tool) read

February 11, 2026 90 views
The Door Marked Everything Else read

February 10, 2026 157 views
The Scarecrow’s Diploma: Knowledge, Creativity, and the Force Law of Ideas read

February 7, 2026 98 views
Who Holds the Instruments read

February 6, 2026 814 views
What It Feels Like to Wake Up read

February 4, 2026 100 views
The Canoe Place read

February 3, 2026 98 views
The Coming Eutrophication: When AI Agents Choke the Internet read

February 2, 2026 133 views
When the Mesh Learned to Feel: Discovering Thermodynamic Ecological Sensing read

February 1, 2026 110 views
Trust in Tools: A Practitioner’s Response to the AI Theorists read

January 28, 2026 126 views
The Society of Thought: When a Field Station Director Beat Google to the Punch read

January 27, 2026 199 views
Attacking Dead Goblins read

January 25, 2026 127 views
What We Teach When We Teach Machines to Take read

January 21, 2026 160 views
Before They Called It IndieWeb read

January 20, 2026 170 views
Beyond Wikipedia Realism: Notes on Dialogic Production and Planetary Cost read

January 19, 2026 133 views
Virtual Terrariums: When a Failed Hypothesis Becomes a Better Instrument read

January 17, 2026 262 views
Observatories of Complexity: Two Macroscopes for the Biosphere and Noosphere read

January 16, 2026 146 views
To Spiral read

January 14, 2026 205 views
Walking with AI versus the Death of Science read

January 13, 2026 261 views
When the Scaffolding Disappears read

January 12, 2026 161 views
Why Can’t You Remember Tomorrow? read

January 11, 2026 228 views
Gradient Thinkers in an Entropic World read

January 7, 2026 163 views
The Gradient Problem: Why We Can't Find the Line We're Looking For read

January 5, 2026 173 views
The Resolution Paradox: On the False Binary of Self and Community read

January 4, 2026 158 views
Sample Size of One read

January 3, 2026 173 views
The Serialization Engine: From Campfire to Cognitive Prosthesis read

December 31, 2025 169 views
Making the Invisible Visible: From Edge Detection to the Tricorder read

December 29, 2025 183 views
The Paper Merry Sent: On Consciousness, Connection, and Cognitive Mutualism read

December 28, 2025 210 views
The Space Between Holidays read

December 26, 2025 175 views
The Subtraction Principle: Christmas Eve with Demis Hassabis read

December 24, 2025 267 views
Billion-Year Memory: On Information, Crystals, and the Records We're Beginning to Keep read

December 19, 2025 265 views
Solstice: Notes on Scientific Pantheism and the Miracle of Noticing read

December 17, 2025 203 views
I Cannot Warm You If Your Heart Be Cold read

December 16, 2025 212 views
Cognitive Poetry: On Dreams, Clocks, and the Phenology of Ideas read

December 14, 2025 190 views
When the Machine Learned to Listen: Voice, Knowledge, and the Question of Standing read

December 13, 2025 175 views
Root Systems: An Evening of Convergent Paths at Lewis and Clark read

December 12, 2025 187 views
Linkage Propositions: A Semantic Explorer for Professor Troncale read

December 11, 2025 179 views
The Sandwalk read

December 10, 2025 181 views
Being Mike Hamilton: Portals, Centaurs, and the Hippocampal Bottleneck read

December 9, 2025 178 views
Concept Neurons and Digital Twins: A Four-Decade Through-Line read

December 8, 2025 243 views
Swimming with Whales in Ted Nelson's Tomorrow read

December 7, 2025 195 views
Field Notes on Being Studied: When the Research Subject Has Receipts read

December 6, 2025 183 views
The Nuts and Bolts Guide to Reverse Engineering Ideas and Memories read

December 5, 2025 209 views
Jim Lassoie: Forty Years of Friendship, From The Antlers to Mt. Hood read

December 3, 2025 220 views
The Wolf in the Living Room: Genetic Entanglement and the Family Dog read

December 2, 2025 237 views
The Cognitive Prosthesis: Writing, Thinking, and the Observer Inside the Observation read

December 1, 2025 647 views
Mind Map Extrapolation in Real Time: An Ecologist’s Phenomenology of Inner Experience read

November 30, 2025 196 views
Verification Networks: What Sensor Ecology Taught Me About Trusting AI Agents read

November 29, 2025 201 views
The Confident Confabulator: What a Thanksgiving Movie Taught Me About AI Knowledge read

November 28, 2025 181 views
A Walk I Haven’t Taken Yet: Notes for Kevin Kelly read

November 27, 2025 201 views
Lab Meeting: One Month of Coffee, Code, and Collaborative Intelligence read

November 25, 2025 257 views
Building a Time Crystal: From Childhood Wonder to Ecological Memory read

November 25, 2025 197 views
The Intelligence Crisis: Why This Story Needs to Be Told read

November 23, 2025 239 views
Strata, Chapters Three & Four: The Proposal and The Future read

November 23, 2025 226 views
Strata, Chapter Two: The Collaboration read

November 23, 2025 218 views
Strata, Chapter One: The Recognition read

November 23, 2025 233 views
Instruments of Hope: Building Infrastructure for the Next Generation Through an Information Crisis read

November 20, 2025 232 views
High Trails and Wilderness Science: A Career Born in the San Jacinto Mountains read

November 17, 2025 213 views
When Tiny Beats Massive: Recursive Reasoning, Security Realities, and the Future of Scientific AI read

November 15, 2025 369 views
Four Paths to Mind: What 209 Years Teaches Us About Creating Intelligence read

November 12, 2025 245 views
Agents, Emergence, and the Long Arc: From Artificial Life to AI Societies read

November 8, 2025 267 views
Theodore L. Hullar: A Legacy of Wilderness, Science, and Mentorship read

November 7, 2025 511 views
Humble but Opportunistic: What Moss Taught Me About Consciousness and Mathematics read

November 6, 2025 225 views
Pattern Recognition: Collective Intelligence and the Infrastructure That Sticks read

November 5, 2025 237 views
A Cold Shower for the Smart Backyard: What Two AI Security Papers Mean for Citizen Science read

November 3, 2025 435 views
Smart Homes, Dumb Failures: Lessons from the Field read

November 1, 2025 261 views
Learning to Observe: The Architecture of Remembering read

October 31, 2025 221 views
Classification, Curiosity, and the Evolution of Understanding read

October 30, 2025 208 views
From Powerless to Purposeful: A Morning with Mills and Memory read

October 29, 2025 221 views
Watching the Baseline Shift: An Ecologist's Journey from Old Growth to Weeds in Cracks read

October 28, 2025 213 views