SimilarityRank
air_pollutant 0.844 77087
pollution 0.818 4581
air_quality 0.808 15064
smog 0.791 39059
pollution_from 0.758 77604
particulate_matter 0.748 54856
pollutant 0.746 14162
water_pollution 0.736 34005
noise_pollution 0.730 71288
nitrogen_oxide 0.722 78932
environmental_pollution 0.708 52695
improve_air_quality 0.699 92085
greenhouse_gas_emission 0.691 18703
carbon_dioxide_emission 0.685 61386
acid_rain 0.684 69028
sulfur_dioxide 0.679 93673
carbon_emission 0.673 20778
greenhouse_gas 0.666 18514
NOx 0.662 71494
emission 0.654 4559
Air_Quality 0.651 61690
ozone 0.648 18722
traffic_congestion 0.643 40949
health_impact 0.637 74196
particulate 0.631 43599