| Author/date | Tree plantation | Annual CO2 removal rate (kg CO2/m2) |
| Chamizo et al., 2017 | Olive | 0.513 |
| Proietti et al., 2014 | Olive | 3.45 |
| Lopez-Bellido et al., 2016 | Olive | 0.752 - 1.503 |
| Kaul et al., 2010 | Poplar | 2.93 |
| Kaul et al., 2010 | Eucalyptus | 2.2 |
| Du et al., 2015 | Eucalyptus | 3.23 |