Includes bibliographical references (p. 216-218) and index.

How will technology affect humanity's future? Technology will enhance humanity's future / Michael G. Zey -- Technological innovation must be limited to protect humanity / Don Closson -- Human genetic enhancement will benefit humanity / Ronald Bailey -- Human genetic enhancement is unnecessary / Bill McKibben -- Energy crisis will harm humanity's future / Charles T. Maxwell -- Humanity will develop new energy technologies and tap new sources / David Deming -- What is the future of world health? Globalization is a threat to world health / Dennis Pirages, Theresa DeGeest -- Globalization promotes world health / Richard G.A. Feachem -- Pollution threatens human health / John Eyles, Nicole Consitt -- Threat that pollution poses to human health has been exaggerated / Kendra Okonski, Julian Morris -- Genetically modified food threatens human health / Jeffrey M. Smith -- Genetically modified food will improve human health / Gregory Conko, C.S. Prakash -- How will the human impact on the environment affect humanity's future? Global warming is a serious threat to humanity's future / Mark Lynas -- Claims that global warming is a threat are misleading / Myron Ebell -- Environmental problems caused by overpopulation will harm humanity / Danielle Nierenberg, Mia MacDonald -- Overpopulation does not threaten the environment or humanity / Ronald Bailey -- What will be the future of the global community? Gap between rich and poor nations is growing / Bruce R. Scott -- Human well-being is increasing throughout the world / Indur M. Goklany -- Weapons of mass destruction threaten humanity's future / George W. Bush -- Threat from weapons of mass destruction is exaggerated / Ivan Eland -- Food scarcity is a serious threat to global security / Lester Brown -- Spread of Western culture threatens local cultures / Wole Akande.