| Similarity | Rank | |
|---|---|---|
| GHG | 0.478 | 70082 |
| greenhouse_gas | 0.453 | 18514 |
| CO2 | 0.446 | 9699 |
| ozone | 0.445 | 18722 |
| carbon_dioxide | 0.441 | 11994 |
| refrigerant | 0.435 | 54574 |
| CWS | 0.429 | 76288 |
| NCF | 0.426 | 96857 |
| NOx | 0.425 | 71494 |
| ACF | 0.423 | 56926 |
| TSP | 0.423 | 71125 |
| Co_2 | 0.422 | 19859 |
| VOC | 0.420 | 61975 |
| methane | 0.420 | 14641 |
| PFC | 0.420 | 61970 |
| carbon_monoxide | 0.418 | 39006 |
| sulfur_dioxide | 0.418 | 93673 |
| PAH | 0.415 | 66323 |
| Sox | 0.414 | 55488 |
| aerosol | 0.414 | 20834 |
| dioxin | 0.414 | 55824 |
| the_greenhouse_effect | 0.413 | 87706 |
| flame_retardant | 0.410 | 88967 |
| water_vapour | 0.408 | 85308 |
| the_Clean_Air_Act | 0.408 | 63257 |