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Subjects
Environmental policy
13
Environmental protection
4
Human ecology
4
Pollution
3
Green movement
2
Sustainable development
2
Climatic changes
1
Economic forecasting
1
Environment
1
Environmental degradation
1
Environmental economics
1
Environmentalism
1
Food supply
1
Human beings
1
Human evolution
1
Indigenous peoples
1
Nationalism
1
Natural resources
1
Property
1
Social change
1