Contents

 
• Foreword
• Preface
• Abbreviations
• Interpretative Summary
• Introduction
• Ten Billion People?
• Spare Land for Nature?
• How Do Five Billion People Use Land Today?
  • The inventory
  • How much land does humanity use for buildings, transport, and so forth, preventing its use for crops?
• The World's Present Supply of Calories and Protein, or Making Do with the Present Food
  • Food reaching consumers from 1988-1990
  • Grains and oilseeds produced during 1991
  • All agricultural production during 1990
  • Wants rather than needs in 2050 A.D.
  • Changing diet
  • So what?
• Do Global, Physical Limits Hem in Farming?
  • Sun, Warmth, and land to stand on
  • Carbon dioxide
  • Water
  • Fertilizer
• Can Smarter Farming Spare Land by Getting More Food from Each Plot?
  • Farmers do progress
  • Smart farmers raise yields per plot
  • A ceiling on what smart farmers can raise on a plot
  • Smart farmers get more milk and meat from fee
  • Changing species
• But, in the End, Will Farmers Spare Land for Nature?
  • Seeing through misleading fluctuations
  • Have farmers used up all the technology?
  • Will farmers try?
  • How expensive must food become?
  • How much will fallout tarnish saving land or nature?
• Does Water Cloud the Sanguine Vision?
  • Irrigation matters
  • Reasons to worry
  • Reasons to hope
  • The balance of worry and hope
• Some Straws in the Wind
  • The United States
  • Europe
  • Developing countries
  • In brief
• A Scenario for Success
• Surprises
  • Fewer than ten billion people
  • Climate change
  • New pests
  • Breakthroughs
• In the End
• Appendix A: Agricultural Production During 1990
• Appendix B: Yardstick of Agricultural Progress
• References
• Index
• About this document ...

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