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| 公开/私有: | 公开 私有 |
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| 公开/私有: | 公开 私有 |
- environmental policy (6)
- political aspects (6)
- global environmental change (4)
- international cooperation (4)
- 研究 (4)
- climatic changes (3)
- environmental aspects (3)
- environmentalism (3)
- global warming (3)
- economic aspects (2)
- environmental management (2)
- environmental protection (2)
- globalization (2)
- history (2)
- non-governmental organizations (2)
- social aspects (2)
- 气候变化 (2)
- anti-globalization movement (1)
- boundaries (1)
- cities and towns (1)
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