n-person Prisoner's Dilemma
The dilemma scaled to many players, where each individual contribution is negligible and the temptation to free-ride is largest.
Why it matters now
This is the true shape of the climate problem: eight billion participants, each correctly observing that a personal choice changes nothing. The way through is not guilt but structure. Small enforceable clubs, sector agreements, and city coalitions cut the number of players down to a size where reciprocity works again.
Where this is happening on Earth
- EuropeEU Emissions Trading SystemA capped club of installations converts a diffuse global dilemma into a bounded market with a visible price.
- North AmericaC40 Cities network, headquartered across several continentsMayors acting as a club of roughly a hundred cities rather than two hundred nations.
- AsiaRepublic of Korea's carbon marketA national club that gives thousands of dispersed emitters a single accountable boundary.
- South AmericaAmazon Cooperation Treaty OrganizationEight countries sharing one basin negotiating as a bloc instead of as an unbounded crowd.
- AfricaGreat Green Wall initiative, SahelEleven nations coordinating restoration across a continent-wide band, each visible to the others.
The idea itself
The encyclopedia entry first, then live searches at journals and magazines that keep returning current work on this specific idea.
Current reporting from around the world
Standing feeds at reputable periodicals. These stay fresh on their own, which is why they are here instead of a list of articles that would be out of date within a season.