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- Sustainable development--Europe (5)
- Environmental indicators--Europe (2)
- Sustainable development--Europe--Statistics (2)
- Climatic changes--Law and legislation--Europe (1)
- Climatic changes--Law and legislation--United States (1)
- Environmental policy--Europe (1)
- Environmental policy--United States (1)
- Food consumption--Europe (1)
- Food industry and trade--Europe (1)
- Rural development--Europe (1)
- Soil degradation--Control--Europe (1)
- Soil degradation--Europe (1)
- Sustainable development--United States (1)
- Water--Law and legislation--Europe (1)
- Water--Law and legislation--United States (1)