| Similarity | Rank | |
|---|---|---|
| CO2 | 0.885 | 9699 |
| Co_2 | 0.853 | 19859 |
| greenhouse_gas | 0.828 | 18514 |
| methane | 0.824 | 14641 |
| sulfur_dioxide | 0.735 | 93673 |
| nitrogen_oxide | 0.731 | 78932 |
| carbon | 0.728 | 6134 |
| carbon_dioxide_emission | 0.725 | 61386 |
| water_vapor | 0.724 | 40856 |
| water_vapour | 0.717 | 85308 |
| ammonia | 0.712 | 28243 |
| nitrous_oxide | 0.710 | 58827 |
| our_atmosphere | 0.708 | 72416 |
| nitrogen | 0.700 | 11773 |
| carbon_monoxide | 0.694 | 39006 |
| combustion_of | 0.693 | 77006 |
| greenhouse_gas_emission | 0.690 | 18703 |
| carbon_emission | 0.682 | 20778 |
| GHG | 0.682 | 70082 |
| NOx | 0.677 | 71494 |
| the_greenhouse_effect | 0.669 | 87706 |
| oxygen | 0.665 | 6930 |
| emission | 0.664 | 4559 |
| fossil_fuel | 0.661 | 9239 |
| CO2_emission | 0.661 | 26256 |