| Similarity | Rank | |
|---|---|---|
| desertification | 0.863 | 27119 |
| overgrazing | 0.838 | 43790 |
| over-grazing | 0.811 | 73877 |
| salinisation | 0.792 | 55212 |
| fuelwood | 0.791 | 39541 |
| logging | 0.780 | 16094 |
| rangeland | 0.779 | 74004 |
| afforestation | 0.779 | 25942 |
| aral | 0.774 | 56674 |
| cropland | 0.770 | 67849 |
| acidification | 0.769 | 21870 |
| eutrophication | 0.768 | 42648 |
| amazonia | 0.759 | 25488 |
| peatbog | 0.755 | 99210 |
| overgrazed | 0.754 | 82229 |
| depletion | 0.753 | 11015 |
| set-net | 0.742 | 48856 |
| overfishing | 0.742 | 60336 |
| siltation | 0.741 | 76239 |
| old-growth | 0.737 | 59583 |
| reforestation | 0.736 | 43916 |
| waterlogging | 0.733 | 41903 |
| salination | 0.732 | 86940 |
| monoculture | 0.732 | 37437 |
| species-rich | 0.730 | 57871 |