SimilarityRank
air_pollution 0.808 13199
Air_Quality 0.735 61690
air_pollutant 0.724 77087
indoor_air_quality 0.712 81240
improve_air_quality 0.701 92085
environmental_quality 0.690 55712
water_quality 0.681 8567
particulate_matter 0.658 54856
pollution 0.653 4581
clean_air 0.637 26063
pollutant 0.628 14162
water_pollution 0.626 34005
smog 0.620 39059
ozone 0.619 18722
nitrogen_oxide 0.618 78932
environmental_health 0.613 26406
noise_pollution 0.612 71288
sulfur_dioxide 0.609 93673
greenhouse_gas_emission 0.608 18703
NOx 0.603 71494
human_health 0.599 16472
greenhouse_gas 0.596 18514
pollution_from 0.591 77604
carbon_emission 0.588 20778
pollution_control 0.585 79900