Böcker av Paul R. Ehrlich

In this text, the authors look at the interaction between population and food supply and offer a strategy for balancing human numbers and nutritional needs. Their proposals include improving the status of women, reducing racism and religious prejudice, and reforming the agricultural system.

This overview of developments in the field articulates a new perspective of the whole group of approximately 15,000 species of butterfles as a comprehensive model system for all the sciences concerned with biodiversity.

Offers readers an understanding of how we evolved and how we're changing the planet by tracing the interplay between environmental change and genetic and cultural evolution since the dawn of humanity.