| Similarity | Rank | |
|---|---|---|
| environmental_issue | 0.746 | 11632 |
| energy_policy | 0.745 | 22003 |
| climate_change_issue | 0.726 | 92368 |
| economic_issue | 0.662 | 64128 |
| renewable_energy | 0.658 | 4106 |
| energy_security | 0.657 | 23237 |
| energy_efficiency | 0.655 | 5081 |
| sustainability_issue | 0.642 | 67594 |
| water_issue | 0.637 | 44788 |
| renewable_energy_source | 0.628 | 24016 |
| energy_technology | 0.628 | 60996 |
| sustainable_energy | 0.624 | 32989 |
| clean_energy | 0.623 | 14373 |
| alternative_energy | 0.615 | 32265 |
| alternative_energy_source | 0.613 | 77620 |
| global_issue | 0.611 | 34072 |
| policy_issue | 0.609 | 26511 |
| environmental_policy | 0.609 | 21977 |
| political_issue | 0.608 | 24961 |
| the_energy_sector | 0.607 | 21148 |
| renewable_energy_resource | 0.603 | 83922 |
| renewable_energy_technology | 0.603 | 55947 |
| development_issue | 0.602 | 40258 |
| environmental_problem | 0.601 | 25380 |
| energy_conservation | 0.599 | 27969 |