SimilarityRank
CO2 0.885 9699
Co_2 0.853 19859
greenhouse_gas 0.828 18514
methane 0.824 14641
sulfur_dioxide 0.735 93673
nitrogen_oxide 0.731 78932
carbon 0.728 6134
carbon_dioxide_emission 0.725 61386
water_vapor 0.724 40856
water_vapour 0.717 85308
ammonia 0.712 28243
nitrous_oxide 0.710 58827
our_atmosphere 0.708 72416
nitrogen 0.700 11773
carbon_monoxide 0.694 39006
combustion_of 0.693 77006
greenhouse_gas_emission 0.690 18703
carbon_emission 0.682 20778
GHG 0.682 70082
NOx 0.677 71494
the_greenhouse_effect 0.669 87706
oxygen 0.665 6930
emission 0.664 4559
fossil_fuel 0.661 9239
CO2_emission 0.661 26256