Independent: It was 12.15am on a Sunday morning last month, in the first floor lobby of an identikit business hotel in north-east Argentina, that a very unlikely deal was done. Two of the last chiefs of that nation’s indigenous GuaranĂ­ people, hundreds of miles and a world away from their forest home, put their signatures on an A3 print-out of a map, next to those of a local government minister, a lawyer, the young head of an Argentinian logging dynasty and two British conservationists.
The setting might have…