The Great Barrier Reef lies off the coast of Queensland: 2000 kilometres of spectacular coral reefs, sand cays and islands, Australia's most precious marine possession. Teeming with life, it covers 350,000 square kilometres. In the late 1960's the Reef was threatened with limestone mining and oil drilling. A small group of dedicated conservationists in Queensland - John Bu?sst, Judith Wright, Len Webb and others - battled to save the Ellison Reef from coral-limestone mining and the Swain Reefs from oil exploration. The group later swelled to encompass scientists, trade unionists and politicists...