Subject
- Human ecology18
- Ecocriticism8
- Ecology7
- Nature6
- Ecology in literature5
- Nature in literature4
- Social ecology4
- Environmental policy3
- Environmental protection3
- Environmental protection and motion pictures3
- Environmental protection in literature3
- Environmentalism3
- Social service3
- Agricultural ecology2
- American literature2
- Anthropology2
- City planning2
- Climatic changes2
- Conservation of natural resources in literature2
- Criticism2