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学科
- Environmentalism[remove]119
- Christian stewardship15
- Seventh-day Adventists9
- Creation8
- Religious aspects8
- Climatic changes7
- Going green7
- Green living6
- Earth talk5
- Litter (Trash)5
- Christians4
- Conduct of life4
- Nature4
- Climate change3
- Conservation of natural resources3
- Diet3
- Energy conservation3
- Environment3
- Environmental protection3
- Food matters3