| Similarity | Rank | |
|---|---|---|
| reduce_pollution | 0.769 | 88472 |
| reduce_greenhouse_gas_emission | 0.744 | 57109 |
| reduce_carbon_emission | 0.743 | 71366 |
| reduce_emission | 0.732 | 41104 |
| air_quality | 0.701 | 15064 |
| air_pollution | 0.699 | 13199 |
| air_pollutant | 0.670 | 77087 |
| increase_energy_efficiency | 0.668 | 97027 |
| improve_energy_efficiency | 0.664 | 77201 |
| reduce_energy_consumption | 0.658 | 81333 |
| low_emission | 0.643 | 91447 |
| clean_air | 0.640 | 26063 |
| to_reduce_emission | 0.636 | 81660 |
| greenhouse_gas_emission | 0.634 | 18703 |
| save_energy | 0.626 | 35825 |
| carbon_reduction | 0.618 | 96756 |
| carbon_emission | 0.615 | 20778 |
| sustainable_transport | 0.613 | 80309 |
| carbon_dioxide_emission | 0.608 | 61386 |
| nitrogen_oxide | 0.607 | 78932 |
| environmental_quality | 0.601 | 55712 |
| improve_health | 0.598 | 31085 |
| emission_reduction | 0.594 | 34127 |
| improve_water_quality | 0.593 | 76345 |
| NOx | 0.591 | 71494 |