SimilarityRank
carbon_dioxide 0.824 11994
Co_2 0.796 19859
CO2 0.791 9699
greenhouse_gas 0.767 18514
ammonia 0.717 28243
hydrocarbon 0.715 21173
carbon_monoxide 0.697 39006
hydrogen 0.696 10438
water_vapour 0.694 85308
combustion_of 0.693 77006
nitrogen_oxide 0.692 78932
water_vapor 0.690 40856
sulfur_dioxide 0.686 93673
NOx 0.674 71494
nitrogen 0.669 11773
natural_gas 0.665 5419
GHG 0.663 70082
carbon 0.660 6134
sulfur 0.660 33667
nitrous_oxide 0.652 58827
fossil_fuel 0.648 9239
our_atmosphere 0.647 72416
emission 0.643 4559
particulate_matter 0.639 54856
emission_from 0.638 32492