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It will be necessary for the industrialized countries of the world—20% of the world's population with 80% of the wealth, about 90% of the scientists and engineers, and 20% of the biodiversity—to recognize that the world's biodiversity is both our common heritage and the key to our future sustainability. By understanding it, learning how to use it sustainably, protecting it, and preserving it, we shall be making a priceless gift to future generations and acting responsibly in the face of one of the greatest challenges that ever confronted humanity. To the extent that this forum has contributed to that goal, it should be judged a success and a helpful building block along the way to a sound and sustainable future.