| Similarity | Rank | |
|---|---|---|
| acidification | 0.861 | 55426 |
| biota | 0.809 | 95999 |
| speciation | 0.785 | 76081 |
| extinctions | 0.771 | 71406 |
| algal | 0.759 | 56888 |
| geoengineering | 0.751 | 92735 |
| hydrological | 0.749 | 62436 |
| GHGs | 0.747 | 91201 |
| radiative | 0.746 | 79463 |
| abiotic | 0.743 | 81533 |
| fluxes | 0.742 | 67467 |
| deforestation | 0.742 | 27552 |
| sea-level | 0.740 | 63584 |
| climate-change | 0.740 | 93307 |
| methane | 0.739 | 19799 |
| troposphere | 0.737 | 92087 |
| climate | 0.736 | 2178 |
| hydrologic | 0.735 | 70564 |
| salinity | 0.733 | 39276 |
| biodiversity | 0.733 | 13376 |
| biosphere | 0.733 | 44340 |
| phytoplankton | 0.731 | 59482 |
| peatlands | 0.729 | 94373 |
| desertification | 0.728 | 69099 |
| deleterious | 0.725 | 44278 |