Pushing beyond the earth's limits
Stopping at seven billion
Moving up the food chain efficiently
Raising the earth's productivity
Reversing China's harvest decline
1. Pushing beyond the earth's limits
Losing agricultural momentum
Growth : the environmental fallout
2. Stopping at seven billion
Population, land, and conflict
The demographic transition
Eradicating poverty, stabilizing population
3. Moving up the food chain efficiently
4. Raising the earth's productivity
Fertilizer and irrigation
The shrinking backlog of technology
Losing soil and fertility
Converting cropland to other uses
6. Stabilizing water tables
Scarcity crossing national boundaries
Raising water productivity
Rising temperatures, falling yields
Temperature trends and effects
Raising energy efficiency
Turning to renewable energy sources
8. Reversing China's harvest decline
An aquacultural initiative
Water shortages spreading
World's leading source of soybeans
Feed supplier for the world?
Expansion : the risks and costs
The tightening food supply
The politics of food scarcity
Stabilizing the resource base
