SimilarityRank
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