Statisticians on safari: our methods for counting the world
Fossils: nature's methods for counting the world
The great chroniclers: changing resaons for studying nature
Human censuses: changing reasons for studying human populations
Expedition to planet Earth: the world we have yet to discover
Extinctions: losing species before their roles are understood
Threatened and threatening: our love-hate relationship with nature and its conservation
Progress through catastrophes: how extinctions further evolution
Sustainable use: a new method for protecting species
Wild economics: calculating nature's worth
Fair dealing: who gets nature's dividends
Preserving diversity: the next fifty years
Maxing out: how many people can the earth support?
Humans and nature in numbers.
