From Longman Dictionary of Contemporary Englishemissione‧mis‧sion /ɪˈmɪʃən/ ●○○ noun 1 [countable usually plural]TIF a gas or other substance that is sent into the air Britain agreed to cut emissions of nitrogen oxide from power stations.2 [uncountable]SEND the act of sending out light, heat, gas etcCOLLOCATIONSADJECTIVES/NOUN + emissions harmful emissions (=likely to cause harm to people or the environment)The law is designed to limit harmful emissions.toxic emissions (=poisonous)By the end of the decade we could reduce toxic emissions by half.noxious emissions (=harmful and poisonous)The air is a toxic cocktail of exhaust fumes and noxious emissions from nearby factories.vehicle emissions (=from cars, lorries etc)California has introduced tough new standards for vehicle emissions.industrial emissions (=from factories)The trees are being killed by acid rain and other industrial emissions.sulphur dioxide/carbon dioxide/greenhouse gas etc emissionsThe treaty calls for a 30% reduction in sulphur dioxide emissions.verbscut/reduce emissionsan agreement to cut emissions of gases which contribute to global warmingcontrol/limit emissionsThe measures to control carbon dioxide emissions do not go far enough.
Examples from the Corpus
emission• This forms part of the company's long standing commitment to reducing atmospheric emissions from its Teesside operations.• It estimates that in that time it cut its carbon dioxide emissions by more than 20 percent.• Sulphur dioxide emissions would also increase if that strategy were implemented.• Note that the high sulfur oil example leads to greater emissions than two of the coal groups.• Those are a necessary complement to last year's directive on emission standards for heavy duty diesel vehicles.• Economic incentives or disincentives such as pollutant emission charges or taxes should receive more attention than they had received previously.• U.S. emissions of carbon dioxide are still increasing.• Most businesses today simply burn the emissions in a closed incinerator, wasting energy from the fire. 