SimilarityRank
air_pollution 0.684 13199
pollution 0.681 4581
water_pollution 0.678 34005
pollutant 0.660 14162
pollution_from 0.659 77604
the_greenhouse_effect 0.657 87706
greenhouse_gas 0.652 18514
global_warming 0.647 5979
sulfur_dioxide 0.645 93673
smog 0.644 39059
air_pollutant 0.642 77087
nitrogen_oxide 0.639 78932
eutrophication 0.629 69479
dioxin 0.603 55824
mercury 0.598 12741
environmental_pollution 0.593 52695
anthropogenic 0.593 94954
carbon_dioxide_emission 0.592 61386
soot 0.591 42732
ozone 0.589 18722
acidification 0.586 76521
global_climate_change 0.582 29854
particulate_matter 0.580 54856
greenhouse_gas_emission 0.573 18703
air_quality 0.571 15064