One bright day in December 2001, 62-year-old Germaine Greer found herself confronted by an irresistible challenge in the shape of 60 hectares of dairy farm, one of many in south-east Queensland that, after a century of logging, clearing and downright devastation, had been abandoned to their fate. When the first replanting shot up to make a forest and rare caterpillars turned up to feed on the leaves of the new young trees, she knew beyond doubt that...