Subscribe | Advertise

Your walls are full of copper. Your phone, your car, every power line you have ever seen. So when the United States added copper to its critical-minerals list for the first time last November, the obvious reading was: we are running out.

But the market just flipped the other way, to surplus. How can a metal that is everywhere, and in surplus, be critical?

Copper runs on two clocks. One is this year's market balance, which traders watch daily. The other is the mine pipeline, which decides what can actually be delivered a decade from now. Right now, those two clocks are telling opposite stories.

The US Geological Survey estimates roughly 1.5 billion tons of copper still sits unextracted in the ground, with another 3.5 billion tons it believes remains undiscovered. There is enough copper to keep building for a very long time. The constraint is not the metal. It is delivery.

A mine is not a factory you can expand. Ore grades keep falling, projects cost more, discoveries have slowed, and lead times run long. The IEA finds the average new project takes well over a decade from discovery to first production. So a market can look oversupplied today and still face a real gap in 2035.

Here is the part most coverage gets wrong. The word "critical" has primed us to read a scarcity panic, but this is a time problem, not a supply problem. Treating a permitting-and-pipeline bottleneck as a running-out-of-copper emergency produces the wrong response. The useful question is not "are we running out of copper?" It is can any institution move fast enough?

Why does "running out" feel so true even when the ground is full? In 1973, Tversky and Kahneman described the availability heuristic: we judge scarcity by how easily dramatic examples come to mind. Copper's abundance is unremarkable. Its scarcity events are headlines.

When copper gets valuable enough, it becomes worth stealing. UK network operators documented one £40 theft causing over half a million pounds of damage, and a wave of cases cutting power to thousands of homes. Copper's price lands on wires, bills, and roofs.

Chile nationalized its American-owned copper mines in 1971, turning the world's marginal supplier into a state monopoly. That state-versus-investor tension is live again for mines in the DRC, Indonesia, and Chile itself.

The phrase "critical mineral" was not coined for lithium or cobalt. It was invented in 1939, in the Strategic and Critical Materials Stock Piling Act, so the US would never again run short of wartime metals. Congress had spent over $94 billion building the stockpile by 1969.

TOGETHER WITH WISPR FLOW

You know the fix: longer prompts, more context, clearer constraints. But typing all that takes five minutes per prompt, so you shortcut it. Every time.

Wispr Flow lets you speak your prompts instead of typing them. Talk through your thinking naturally — include context, constraints, examples — and get clean text ready to paste. No filler words. No cleanup.

Works inside ChatGPT, Claude, Cursor, Windsurf, and every other AI tool. System-level, so there's nothing to install per app. Tap and talk.

Millions of users worldwide. Teams at OpenAI, Vercel, and Clay use Flow daily. Free on Mac, Windows, and iPhone.

Try Wispr Flow free

Which metal was first called a "critical mineral"? Take your best guess, then see how everyone else answered.

Know someone who treats copper as a price ticker? Send them this issue.