The London-listed miner is accused of violating forest-protection laws and the rights of tribal groups, but has said it will not abandon the project, which was expected to yield 78m tonnes of the aluminium-bearing ore.
Attaching rights to carbon in standing forest, while easier to define, will run into similar problems in places where ownership of forestland and forest services are weak and ill-defined.
Another kind of sweepstakes took place in the NBA in 1997: the draft lottery for the rights to pick the consensus best player in the country, Wake Forest center Tim Duncan.