With population growth still at very high rates and large-scale commercial farmers and cattle ranchers owning much of the more fertile valley land, small-scale farmers are concentrated on increasingly marginal, steeply sloping hillsides in Central America. The continuing soil erosion and land...

In recent years the condition of our physical environment has become an area of increasing public concern. This concern has manifested itself in the form of legislated rules, formulated and administered by public agencies at the local, state, and federal levels, designed to control the use and...