Thema Subject Categories 1.4

Previous versions of Thema are still available 1.3 1.2.

Browse the Thema subject categories hierarchy, or search for a specific term within the hierarchy.

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Notation Category heading Add Mod ?
R Earth Sciences, Geography, Environment, Planning
Use all R* codes for: academic, technical, specialist and general adult titles. DO NOT USE: code ‘R’ itself, but select specific categories from section R*. Use all R* codes with: other subject categories and qualifiers where appropriate, in particular PLACE 1* Qualifiers
RN The environment
Class here: Environmental science.
See also: TQ* Environmental science, engineering and technology and its subcategories
RNA Environmentalist thought and ideology
Class here: ecocentrism, technocentrism, deep ecology, ecofeminism, etc.
See also: JPFA Green politics / ecopolitics / environmentalism
RNB Environmentalist, conservationist and Green organizations
See also: JPFA Green politics / ecopolitics / environmentalism
RNC Applied ecology
Use for: works taking a wide-ranging or ‘issues’-based approach.
See also: PSAF Ecological science, the Biosphere
RND Environmental policy and protocols
Use with: JPQB or JPRB codes as appropriate.
See also: KCVG Environmental economics
RNF Environmental management
Use with: code from RBK* or RGB* to indicate specific environment or habitat
RNH Waste management
Class here: recycling, biodegradability.
See also: TQSR Waste treatment and disposal
RNK Conservation of the environment
RNP Pollution and threats to the environment
Class here: plastic waste, air pollution, water pollution, over-consumption.
See also: TQK Pollution control
RNQ Nuclear issues
RNR Natural disasters
Class here: Earthquakes, volcanic eruptions, floods, mudslides, hurricanes and cyclones, tornados, tsunamis, droughts, wildfires, etc.
See also: JBFF Social impact of disasters
RNT Social impact of environmental issues
RNU Sustainability
See also: TBR Intermediate technology, THV Alternative and renewable energy sources and technology, VSZ Self-sufficiency and ‘green’ lifestyle

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