Is the human population going to outstrip the earth's food supply? Side effects of recent food surpluses include environmental problems such as soil erosion, salinization and chemical pollution. Food or Famine looks at projects in North America, Chile, Indonesia, Africa and India which are participating in a worldwide movement to return to agricultural methods based on sound ecological principles. But as world population continues to increase, new crops with higher yields will have to be developed. This episode also examines the worldwide imbalance between food consumption and production.