| Similarity | Rank | |
|---|---|---|
| global_problem | 0.806 | 66690 |
| global_issue | 0.740 | 34072 |
| environmental_challenge | 0.726 | 68452 |
| global_development | 0.649 | 48246 |
| environmental_problem | 0.649 | 25380 |
| these_challenge | 0.644 | 16957 |
| common_challenge | 0.623 | 99524 |
| global_crisis | 0.620 | 50850 |
| current_challenge | 0.617 | 50315 |
| the_global_community | 0.613 | 27368 |
| future_challenge | 0.610 | 41206 |
| the_challenge_pose_by | 0.608 | 96527 |
| challenge_we_face | 0.606 | 47011 |
| global_society | 0.605 | 84854 |
| security_challenge | 0.603 | 64605 |
| sustainability_issue | 0.603 | 67594 |
| global_environment | 0.602 | 57161 |
| complex_problem | 0.599 | 48012 |
| find_solution_to | 0.593 | 66121 |
| global_climate_change | 0.593 | 29854 |
| that_we_face | 0.592 | 59337 |
| economic_challenge | 0.591 | 92616 |
| environmental_crisis | 0.590 | 74211 |
| sustainable_solution | 0.589 | 67100 |
| global_change | 0.588 | 38598 |