Tabla de Contenidos:
  • Snapshot of a changing earth
  • A framework for analysis : systems, cycles, and transitions
  • Global warming
  • Ozone and CFCs
  • Acid rain : the global implications
  • Management of the ocean
  • Land for food and energy
  • Water supply
  • Urban management
  • Waste management
  • The environment and international relations
  • Priorities for analysis and mitigation.