| Similarity | Rank | |
|---|---|---|
| of_fossil_fuel | 0.876 | 44531 |
| coal | 0.769 | 3568 |
| the_fossil_fuel_industry | 0.759 | 74590 |
| natural_gas | 0.740 | 5419 |
| energy_source | 0.714 | 21126 |
| renewable_source | 0.713 | 75160 |
| renewable | 0.705 | 7265 |
| electricity_generation | 0.694 | 42478 |
| alternative_energy_source | 0.693 | 77620 |
| carbon_dioxide_emission | 0.687 | 61386 |
| renewable_energy_source | 0.686 | 24016 |
| energy_resource | 0.683 | 32118 |
| nuclear_power | 0.681 | 11309 |
| carbon_emission | 0.681 | 20778 |
| clean_energy | 0.677 | 14373 |
| renewable_resource | 0.676 | 46913 |
| renewable_fuel | 0.675 | 88540 |
| greenhouse_gas | 0.673 | 18514 |
| renewable_energy | 0.673 | 4106 |
| shale_gas | 0.672 | 37644 |
| greenhouse_gas_emission | 0.669 | 18703 |
| tar_sand | 0.669 | 46054 |
| biofuel | 0.666 | 11346 |
| liquid_fuel | 0.663 | 86707 |
| carbon_dioxide | 0.661 | 11994 |