(Megatons C/year)
| Newly planted and regrowing forests* | 197 to 584 |
| Deforestation | -1788 |
| Better management of: | |
| Croplands (no-till, erosion control, etc.) | 125 |
| Grazing land | 240 |
| Forests (fertilization, species choices, etc.) | 170 |
| Changes in land use: | |
| Agroforestry (grow crop trees, such as orange or apple, on unproductive grassland and cropland) | 390 |
| Cropland to grassland | 38 |
| Other | 42 |
*At rate of current activities using IPCC definitions.
Reference
Kaiser, J., 2000:Panel Estimates Possible Carbon 'Sinks'. Science, 288, 942-943.