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Air Quality and Pollution. Environmental Studies. 4 Color Transparencies, Reproducibles & Teaching Guide. Grade 3, 4, 5.
Ortleb, Edward P.; And Others – 1990
The world is faced with a variety of environmental problems. No country has escaped pollution and resource depletion. Basic ecological principles are often ignored and sometimes this contributes to ecological disasters. This volume is designed to provide basic information about the quality of the earth's atmosphere. The visual aids, worksheets,…
Descriptors: Acid Rain, Air Pollution, Climate, Elementary Education
Water Quality and Pollution. Environmental Studies. 4 Color Transparencies, Reproducibles & Teaching Guide. Grade 3, 4, 5.
Ortleb, Edward P.; And Others – 1990
The world is faced with a variety of environmental problems. No country has escaped pollution and resource depletion. Basic ecological principles are often ignored and sometimes this contributes to ecological disasters. This volume is designed to provide basic information about the quality of the earth's water resources. The visual aids,…
Descriptors: Acid Rain, Conservation (Environment), Drinking Water, Elementary Education
Land Resources and Pollution. Environmental Studies. 4 Color Transparencies, Reproducibles & Teaching Guide. Grade 3, 4, 5.
Ortleb, Edward P.; And Others – 1990
The world is faced with a variety of environmental problems. No country has escaped pollution and resource depletion. Basic ecological principles are often ignored and sometimes this contributes to ecological disasters. This volume is designed to provide basic information about the quality of the earth's land resources. The visual aids,…
Descriptors: Acid Rain, Conservation (Environment), Depleted Resources, Drinking Water
Energy and the Environment. Environmental Studies. 4 Color Transparencies, Reproducibles & Teaching Guide. Grade 3, 4, 5.
Ortleb, Edward P.; And Others – 1990
The world is faced with a variety of environmental problems. No country has escaped pollution and resource depletion. Basic ecological principles are often ignored and sometimes this contributes to ecological disasters. This volume is designed to provide basic information about the quality of the earth's energy resources. The visual aids,…
Descriptors: Alternative Energy Sources, Conservation (Environment), Electricity, Elementary Education