various plants and animals, terrestrial and marine. No one wanted the depopulation of the early age of Cook. Most of these things were unforeseen and unintended consequences of human action. The law of unforeseen consequences is a potent one, in history as in ecology. Only a few environmental changes, such as sandalwood depletion or atomic radiation, could have been expected. They happened because some people -- often not Pacific islanders -- regarded them as an acceptable or a negligible price to pay for some economic or political gain. The laws, or at least the probabilities, of unequal power are potent as well.