The growing interest in evaporite geology in 1978 is shown by the number of short courses, meetings, and symposiums that were held on various aspects of evaporites. (BB)

Flotation, centrifugal separators, emulsion breaking, filter coalescence, biological treatment, carbon adsorption, membrane filtration, and equipment selection are discussed. (BB)

Draws attention to the increasing dangers of cadmium pollution, its major sources, and its scope of damage to humans and animals. (GA)

Citizens exhibitied concern about pollution, a low level of trust in governmental and industrial efforts, and a low level of dedication to environmental protection. Demands to clean up the environment came from one segment of the population while demands to solve the energy crisis came from other segments. (AJ)

Provides directions for basic science experiments which demonstrate the rain cycle, fundamentals of cloud formation, and testing for the presence of acidity in local rainwater. Describes materials required, step-by-step instructions, and discussion topics. (NEC)

Provides primary grade level science activities that focus on insects, tracks and trails, water, and flight. For each topic, six major ideas plus related activities and suggestions about resources are given. (RH)

The physiological effects on humans and animals of trace amounts of organic and unorganic pollutants in natural and waste waters are examined. The sensitivity of particular organs and species is emphasized. Substances reviewed include mercury, arsenic, cadmium, lead, chromium, fluorides, nitrates and organics, including polychlounated biphenyls.…

This CD-ROM is part of a multimedia software and video collection for high school and vocational schools. Applied Biology/Chemistry is one of many series providing resources for science education. There are six individual titles in this series which include: (1) Natural Resources; (2) Air and Other Gases; (3) Nutrition; (4) Continuity of Life; (5)…

This guide examines typical water costs for schools and points out financial and environmental benefits of using water economically. The guide explains the make-up of a typical water bill, including standing charges and sewerage rates. Ways of saving water are described, including use of self-closing and spray taps and urinal flush controllers. A…

The Blue Planet program aims to develop an understanding of and insight into the environment among students by introducing environmental problems such as pollution. This paper presents a study investigating junior high school students' previous knowledge and understanding of environmental issues and perceptions on the nature of the water cycle.…

This issue of Exploratorium focuses on water and its varied uses in our environment. Articles include: (1) "Adventures with Water" (Eric Muller); (2) "Water: The Liquid of Life" (Karen E. Kalumuck); (3) "Water-Drop Projector" (Gorazd Planinsic); (4) "Waterways and Means" (Pearl Tesler); (5) "Explore Natural Phenomena in the Museum--and Just…

Discusses the need to provide a set of indices of environmental quality that aggregate and summarize available data, indicates the deficiencies in the data base that could be rectified by alternate data collection techniques, and describes progress toward the goal. (AL)

Described is a Marine Nature Study Area of saltmarshes and wetlands located in Oceanside, Long Island, New York, an area designed to inform the public of the value of wetlands. Conducted tours deal with saltmarsh ecology, bird identification, tidal shallows, waterfowl, bay communities, and sand dune communities. (BL)