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- social aspects (3)
- acquired immunodeficiency syndrome (1)
- aids (disease) (1)
- bankruptcy (1)
- climatic changes (1)
- conservation of natural resources (1)
- disease outbreaks (1)
- economic aspects (1)
- economic policy (1)
- economic sanctions (1)
- environmental aspects (1)
- environmental justice (1)
- environmental policy (1)
- environmental refugees (1)
- environmentalism (1)
- forced migration (1)
- foreign trade regulation (1)
- government policy (1)
- history (1)
- hiv infections (1)
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