Concern for long-term availability of nonrenewable resources has fostered proposals for substitution with renewable resources. Forest products could become the basis for materials substitution and production. Further feasibility studies are needed to determine the technical, economic, energy, and environmental aspects of substitution. (MR)

Conflicts between economic growth and environmental awareness will change availability and usage of materials. Environmental protection will increase materials costs, restrict land use for manufacturing sites and mineral extraction, and divert capital from expansion. The tradeoff for undesirable effects will be materials conservation and improved…

Recaps government action in the areas of land use, strip mining, and drinking water legislation. Outlines the potential conflict between the development of energy resources and environmental values. (GS)

Described is the Rapid Assessment Program (RAP) in which a team of tropical biologists are able to get to remote, uncharted sites in the tropics and conduct surveys very quickly. The team uses satellite imagery, aerial reconnaissance, and field surveys to produce an inventory of species found in these areas. (KR)