UNESCO Thesaurus: hierarchical list

2.55 Environmental sciences and engineering

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Energy policy

Narrower Term

NT1 Energy balance

NT1 Energy conservation

UF Energy savings

NT1 Energy consumption

UF Energy utilization, Power consumption

NT1 Energy economics

NT1 Energy shortages

UF Energy crisis, Energy depletion

NT1 Energy supply

Environment

Narrower Term

NT1 Natural environment

UF Physical environment

NT2 Aquatic environment

NT3 Marine environment

UF Ocean environment

NT2 Terrestrial environment

Environmental engineering

Used For

UF Environmental technology

Narrower Term

NT1 Biological control

NT1 Noise control

NT1 Sanitation

UF Sanitary engineering, Sanitary services

NT2 Waste disposal

NT3 Waste treatment

UF Sewage handling, Sewage treatment, Waste collection, Waste handling, Waste recycling

NT4 Sewers

NT2 Water treatment

UF Chlorination, Fluorination, Water demineralization, Water purification

NT3 Desalination

Environmental management

Used For

UF Environmental control, Environmental planning

Narrower Term

NT1 Environmental awareness

UF Environmental consciousness, Environmental perception

NT1 Environmental conservation

UF Environmental protection

NT1 Environmental economics

NT1 Environmental impact assessment

NT1 Environmental legislation

UF Environmental law

NT2 Animal rights

NT1 Environmental policy

NT2 Environmental indicators

NT1 Environmental quality

NT1 Environmental statistics

NT1 Pollution control

NT2 Environmental monitoring

UF Pollution monitoring

Environmental sciences

Narrower Term

NT1 Ecology

UF Environmental biology

NT2 Ecological research

UF Ecological analysis

NT1 Environmental chemistry

Natural heritage

Narrower Term

NT1 Nature conservation

NT2 Forest conservation

NT2 Landscape protection

NT2 Nature reserves

NT3 Botanical gardens

NT3 National parks

NT3 Zoological gardens

NT2 Wildlife conservation

UF Animal protection

Resources development

Used For

UF Natural resources development, Natural resources management

Narrower Term

NT1 Resources conservation

NT1 Resources evaluation

UF Resources inventory

NT1 Resources exploration

UF Prospecting

NT1 Resources management

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