Costing the Earth - Antarctic Treaty

Tom Heap reports on the Antarctic Treaty, a unique but little-known beacon of global co-operation which has kept the soldiers at bay and the scientists in harness on the continent for the last 50 years. It has survived Cold War tension, the Falklands war and rapacious fishing to emerge as a textbook study of how diplomacy can avoid conflict. But can it rebuff the pressures of the next 50 years, with tourists, bio-prospectors and energy companies all scouring the planet for scarce resources?