What is an example of the tragedy of the commons?

Overfishing: Each boat takes all it can; together they collapse the fishery everyone depended on.

Where do you see the tragedy of the commons in everyday life?

Overfishing; Traffic; The shared office fridge; Antibiotic overuse; Pollution.

How do you avoid the tragedy of the commons?

Spot it by asking "does each person capture the gain while the group eats the cost?" — if so, structure beats goodwill.

Sticky Idea

The Tragedy of the Commons · Garrett Hardin

The tragedy of the commons examples

Curated by Paulo de Vries · reviewed 2026-05-31

The tragedy of the commons is how a shared, free resource gets quietly destroyed because each person's rational self-interest depletes it for everyone. Examples:

What is the tragedy of the commons? Read the full idea →

5 examples of the tragedy of the commons

Overfishing
Each boat takes all it can; together they collapse the fishery everyone depended on.
Traffic
Each driver's 'it's just me' choice adds up to gridlock for everyone.
The shared office fridge
No one cleans it because it belongs to 'everyone,' so it rots.
Antibiotic overuse
Each over-prescription is rational; together they breed resistance that harms all.
Pollution
When the air or water is free to use, it's overused until it's ruined.

How to spot it in yourself

Spot it by asking "does each person capture the gain while the group eats the cost?" — if so, structure beats goodwill.
Fix shared-resource problems with clear ownership, limits, or a cost that lands on whoever creates it — not appeals to be nicer.
Watch for it in shared teams and tools: protect the commons before it's quietly used up.

You'll forget most of this by next week.

That's just how memory works. Lock the tragedy of the commons in with a 5-minute active-recall session — spaced repetition, no signup.

Try this idea free →

One tap adds it to your review queue — we bring it back right before you'd forget.

The tragedy of the commons examples

5 examples of the tragedy of the commons

Overfishing

Traffic

The shared office fridge

Antibiotic overuse

Pollution

How to spot it in yourself

You'll forget most of this by next week.

Related ideas