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Natural resources
概要
作品:
5 作品在 0 項出版品 0 種語言
書目資訊
Selected satellite images of our changing environment
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Three approaches to environmental resource analysis /
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Resources and man : = a study and recommendations /
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Environmental and natural resource economics = an encyclopedia /
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World resources 1990-91 : = a report by the World Resources Institute in collaboration with the United Nations Environment Programme and and the United Nations Development Programme.
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主題
Global warming
Environmental education
Food supply
Climatic changes
Pollution
Environmental policy
Minerals- Supply & distribution
Environmental economics
Natural resources
Regional planning.
Economic policy- Environmental aspects
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