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- 2.1.1 - Human - biosphere interactions
- 2.1.2 - Biogeochemical cycles
- 2.1.2.1 - Disturbance in major cycles due to human activities
- 2.1.2.2 - Carbon
- 2.1.2.3 - Nitrogen
- 2.1.2.4 - Phosphorus
- 2.1.2.5 - Sulphur
- 2.1.3 - Demographic and economic trends
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- 2.2.1 - Measuring sustainability
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- 2.3.1 - The last 20 years
- 2.3.2 - From problems to institutions
- 2.3.3 - The way forward