As the twentieth century draws to a close, we find that the world has grown smaller and the world's people have become almost one community. Political and military alliances have created large multinational groups, industry and international trade have produced a global economy, and worldwide communications are eliminating ancient barriers of distance, language and race. We are also being drawn together by the grave problems we face: overpopulation, dwindling natural resources, and an environmental crisis that threatens our air, water, and trees, along with the vast number of beautiful life forms that are the very foundation of existence on this small planet we share.
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