el environmental policies of the Inca, the managed sub-climax forest successions in the Eastern Woodlands and the Three Sisters method of high-output low-soil-loss agriculture exemplified in the Finger Lakes area by the Haudenosaunee people. The European conquerors and immigrants paid little attention to the land management skills of their victims and it was only in the 1980s that modern science began seriously investigating the Native achievements and their relevance for the wider society.