Running out of food

Famine could be the ultimate poisoned legacy to future generations. Antony Mason examines the predictions for population and food supply.

Ageing in China

David Kingman explores the economic and social implications of China’s rapidly ageing population

7 Billion: The great sideshow

David Kingman argues that commentators have become too caught up in arguing about the appropriate size for the Earth’s population, when what really matters is the age structure of the population in individual countries