Y Yve in a remarkable period ofhmnan hist(,ry, when the most predictable characteristic of our lives is change. It is easy to forget that this is a Padica[ departure fi om the way ore species has lived for 99.9 percent of our biological existence. Homo s(tpie~s evolved some 600,000 to 800,000 years ago; for almost all of that time, we lived in a state of nature-deeply embedded in and dependent on the rest of the natural world. Our numbers were small and our technology simple, as small family groul)s of hunter-gatherers lived lightly on the land. Nature was vast and emtlessly self-renewing. People depended on their accumulated knowledge of seasons, plant cycles, and animal behaviour to avoid predation, to find nourishment, and to meet their medical and physical needa Around the world, land was sacred. Land meant much more than just a place, an area-it represented the spiritual and physical source of life itself. The land included the air, watel, animals, rocks, plants, one s ancestors and the generations yet to come. The very definition of one s identity and purpose came from the land. Aboriginal people around the x~ orld maintain a radically different relationship with the land around them than do members of western technological societies. Native people speak of their kinship with all creatures, of their brothers and sisters: the ravens, eagles and killer whales of the finned and the tree people. We tend to think of this as quaint metaphorical speech, but molecular biologists have begun to show that these relationships are grounded in physical reality. There is a unit) of all life forms that goes to the
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