Anthropologist and plant explorer Wade Davis has travelled to remote and diverse places such as the Canadian Arctic and the deserts of North Africa, the rain forests of Borneo and the Amazon, the southern Andes and the mountains of Tibet, the swamps of the Orinoco, the wilds of northern British Columbia and Haiti He describes what traditional peoples have to teach us about different ways of living and thinking, and points out how the dangers facing the 'ethnosphere' could diminish us all 2001