ch. 1. Is the threat of global warming real? -- 1. Global warming poses a serous threat / Geoffrey Lean -- 2. Global warming does not pose a serious threat / John F. McManus -- 3. Most scientists agree that global warming is a human-caused problem / Naomi Oreskes -- 4. Many scientists do not agree that global warming is a human-caused problem / Greening Earth Society -- ch. 2. What causes global warming? -- 1. Human activity causes global warming / Thomas R. Karl, Kevin E. Trenberth -- 2. Human activity does not cause global warming / William M. Gray -- 3. Sport utility vehicles contribute to global warming / Sierra Club -- 4. Sport utility vehicles do not contribute to global warming / Sal Rosken -- 5. Solar activity causes global warming / Ian Clark -- 6. Radiation from the earth's core causes global warming / Gary Novak -- ch. 3. What will be the effects of global warming? -- 1. Global warming is causing the polar ice caps to melt / Charles W. Petit -- 2. Natural fluctuations are causing the polar ice caps to melt / Jens Bischof -- 3. Global warming benefits life on earth / Dennis Avery -- 4. Global warming harms life on earth / Ross Gelbspan -- ch. 4. Should measures be taken to combat global warming? -- 1. Greenhouse gas emissions should be reduced / Fred Krupp -- 2. Greenhouse gas emissions need not be reduced / Sallie Baliunas -- 3. Greenhouse gas emissions cannot be reduced with current technology / William Kovacs -- 4. Nuclear power can combat global warming / John McCain -- 5. Nuclear power should not be used to combat global warming / Coalition of Groups -- 6. Alternative energy sources should be pursued / Lester R. Brown -- 7. Alternative energy should not be pursued / Jerry Taylor, Peter VanDoren -- 8. The Kyoto Protocol can help address global warming / Hamish McRae -- 9. The Kyoto Protocol cannot address global warming / Christopher DeMuth.