| Similarity | Rank | |
|---|---|---|
| a_healthy_environment | 0.684 | 71473 |
| clean_water | 0.663 | 12074 |
| improve_air_quality | 0.640 | 92085 |
| air_quality | 0.637 | 15064 |
| fresh_air | 0.627 | 20311 |
| air_pollution | 0.588 | 13199 |
| reduce_pollution | 0.585 | 88472 |
| clean_energy | 0.564 | 14373 |
| environmental_quality | 0.562 | 55712 |
| pollution | 0.555 | 4581 |
| air_pollutant | 0.549 | 77087 |
| smog | 0.543 | 39059 |
| pure_water | 0.541 | 82162 |
| environmental_protection | 0.536 | 10347 |
| clean_drinking_water | 0.536 | 76939 |
| pollutant | 0.524 | 14162 |
| particulate_matter | 0.518 | 54856 |
| greenhouse_gas | 0.515 | 18514 |
| reduce_carbon_emission | 0.514 | 71366 |
| sulfur_dioxide | 0.513 | 93673 |
| water_pollution | 0.512 | 34005 |
| low_emission | 0.506 | 91447 |
| pollution_from | 0.506 | 77604 |
| water_quality | 0.503 | 8567 |
| healthy_community | 0.502 | 42483 |