The current threats to the biosphere are more than the consequences of human technologies. They are also the expression of Homo sapiens’ animal nature. For all of its technological prowess, our species is still motivated by ancient animal instincts, including the drive to expand and multiply to the limits of the possible. This kind of elemental self-interest is to be expected of any life form. But in our desire to provide ourselves with ever-increasing amounts of progeny, food, clothing, shelter, energy, weapons, and material possessions, we have too often overlooked the needs of other forms
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