Interviewed campers regarding their perceptions of impacts to vegetation, soil, and trees, comparing campers' measurements of vegetation loss, mineral soil exposure, tree damage, and site size with managers' evaluations. Most campers noticed vegetation impacts, and about half noticed soil impacts and tree damage. Most commented positively about…

This book examines our environmental problems from a global perspective. The problems are cast into their social, economic and political dimensions. Population, misuse of resources, the impact of technology, unbalanced development, and the world-wide dilemma of urbanization are explored. The authors have sought to report what is known and not…

The goals of the Caltech Population Program are to increase understanding of the interrelationships between population growth and socioeconomic and cultural patterns throughout the world and to communicate this understanding. This series of occasional papers is one step in the process of communicating research results. The papers deal primarily…

Puerto Rico is an interesting illustration of the environmental problems created when rural area is subjected to the forces and changes brought about by rapid industrialization and economic development. These problems, which are magnified by a high population density, rural poverty, a scarcity of usable land, and the absence of natural resources,…

Identifies land degradation as Australia's most urgent environmental problem and recommends the development of a land ethic for soil conservation. Presents a 15-point conservation education plan that encourages a sustainable ecological basis for rural production and also cultivates ecologically sound habits toward nature. (ML)

This publication covers the historical, technological, economic, and environmental aspects of agricultural drainage. It draws from the combined knowledge of academic and U.S. Department of Agriculture professionals in public policy, drainage theory, planning, engineering, environmental science, and economics. The main purpose is to review the…

India suffers from severe environmental problems with respect to deforestation, flooding, and pollution. These problems are associated with industrialization, lack of money to enforce anti-pollution practices, climatic and population pressures, and cultural factors. Half of India's forests have been cut in the last 40 years. Deforestation is the…

The purpose of this book is to examine the interaction of the world's ecological, economic, and social systems. It is divided into 12 chapters, with the first chapter providing an introduction and overview. Chapter two assesses the dimensions of the ecological stresses being put on the environment, specifically, the world's oceans, forests,…