| Similarity | Rank | |
|---|---|---|
| fossil_fuel | 0.876 | 9239 |
| carbon_emission | 0.743 | 20778 |
| greenhouse_gas_emission | 0.737 | 18703 |
| carbon_dioxide_emission | 0.736 | 61386 |
| CO2_emission | 0.701 | 26256 |
| alternative_energy_source | 0.688 | 77620 |
| renewable_energy_source | 0.686 | 24016 |
| renewable_source | 0.685 | 75160 |
| reduce_emission | 0.682 | 41104 |
| renewable_resource | 0.681 | 46913 |
| reduce_carbon_emission | 0.680 | 71366 |
| greenhouse_gas | 0.676 | 18514 |
| reduce_greenhouse_gas_emission | 0.674 | 57109 |
| GHG_emission | 0.671 | 52810 |
| combustion_of | 0.671 | 77006 |
| Co_2_emission | 0.669 | 88444 |
| biofuel | 0.662 | 11346 |
| energy_resource | 0.662 | 32118 |
| the_fossil_fuel_industry | 0.661 | 74590 |
| electricity_generation | 0.656 | 42478 |
| natural_gas | 0.656 | 5419 |
| energy_production | 0.656 | 24155 |
| renewable_fuel | 0.653 | 88540 |
| energy_source | 0.652 | 21126 |
| electricity_production | 0.652 | 79564 |