This report considers the many issues and actors that influence the development of operations and maintenance management systems for rural water supply and sanitation facilities in developing countries. It describes models in eight representative countries and offers guidance to planners and...Read more

This is the 1994 Annual Report of the International Irrigation Management Institute, focusing on information that can assess and improve irrigation performance. Read more

Many important decisions in American cities are based on careful cost and benefit analysis of options. Yet the values of trees and plants in our urban centers are often overlooked. Urban forests are a significant and increasingly valuable asset of the urban environment. Scientists have measured the...Read more

The world fish supply is becoming increasingly scarce, a transition that cannot be prevented by more intensive fishing but only ameliorated through improved management of fisheries resources, improved aquaculture production, better use of resources, and interventions to improve equity. These tasks...Read more