In order to keep the land productive, a good conservation program is imperative. The primary purpose of soil and water conservation is to prevent soil erosion and heal its scars. This handbook explains the causes, processes, and consequences of soil erosion and depletion, and describes major soil- and water-conservation measures. This book was…

This guide contains six elementary grade units which focus on environmental concepts considered of major importance by the agricultural personnel of the Dominican Republic. Each of the units shows a cumulative and sequential building of these concepts. Unit 1 (grade 1) focuses on the basics of plant and animal differentiation and on the properties…

Tropical forests cover 20 percent of the Earth's land surface, but they are rapidly disappearing, with some estimating the loss of 7.5 million hectares a year. This bulletin provides a set of key facts relating to this problem. It details: (1) factors involving the rate at which the forests are disappearing; (2) some of the effects of these losses…

Designed to help in the development of an educational program about the value of rain forests, this handbook presents a condensation of issues, facts, and concepts. The handbook is divided into three parts. Part one introduces the rain forest ecosystem and provides conceptual background material needed in the determination of problems, the…

Describes how environmental problems in developing countries partly arise out of lack of development. Emphasizes that environmental education is critical under these conditions. Argues for the systematic integration of economic and environmental plans for various regions. (TW)