No. 007
Carbon credits & allowances
The right to emit a tonne of CO₂ — a commodity created entirely by policy, in two markets that are frequently confused and b…
No. 026Fishing quota
The right to catch a tonne of a named species in a named area — created by law, concentrated in remarkably few hands, and wo…
No. 064Water abstraction rights
Permission to take water from a river or aquifer — a licence, not a possession, and increasingly the binding constraint on b…