Advances in farming technology combined with changing values and diets could ensure that the world’s population will use existing cropland more economically and thus save more land for natural or wilderness use in the next 50 years.

Covers all aspects of the subject, emphasizing adaptation to changes, emission of greenhouse gases, the impact of climate change.

Reviews by 44 leading scientists support and criticize the 1989 National Research Council report, Alternative Agriculture. The authors represent the disciplines of agricultural engineering, food science, toxicology, animal sciences, crop and soil sciences, economics sociology, weed science, entomology, and plant pathology.