| Similarity | Rank | |
|---|---|---|
| renewable_energy | 0.846 | 4106 |
| alternative_energy_source | 0.830 | 77620 |
| green_energy | 0.815 | 29006 |
| clean_energy | 0.794 | 14373 |
| green_technology | 0.774 | 39391 |
| sustainable_energy | 0.772 | 32989 |
| renewable_energy_source | 0.763 | 24016 |
| solar_energy | 0.755 | 10842 |
| energy_technology | 0.735 | 60996 |
| renewable_energy_technology | 0.730 | 55947 |
| clean_technology | 0.725 | 51777 |
| energy_generation | 0.724 | 60953 |
| renewable_technology | 0.723 | 94854 |
| solar_power | 0.717 | 12311 |
| renewable_energy_resource | 0.716 | 83922 |
| wind_energy | 0.711 | 16912 |
| renewable | 0.708 | 7265 |
| renewable_energy_system | 0.707 | 88521 |
| geothermal | 0.706 | 29209 |
| wind_power | 0.705 | 15719 |
| alternative_fuel | 0.704 | 38448 |
| energy_conservation | 0.704 | 27969 |
| energy_production | 0.701 | 24155 |
| solar_technology | 0.698 | 77306 |
| renewable_power | 0.697 | 86212 |