emission

emissions of carbon, especially carbon dioxide

emissions of CO2

emission of gases that cause the greenhouse effect

emissions from all countries combined

waste gas from an engine

emissions that cause damage or injury

emissions from any type of transport with an engine

emissions containing poison

emissions from factories and manufacturing

emissions of methane gas

emissions coming directly out of a vehicle's exhaust pipe

emissions of sulphur/sulfur, often as sulfur dioxide

emissions that are poisonous or very unpleasant

substances released into the air

emissions from cars

emissions causing acid rain

emissions in the form of a gas

emissions of the toxic metal lead

emissions of the toxic metal mercury

the amount or concentration of emissions

the speed at which emissions are produced

when the amount of emissions goes up

when the amount of emissions goes down

when the amount of emissions drops

used to show the source of the emissions

to make emissions less in amount

to reduce the amount of emissions

to manage and limit the level of emissions

to make the amount of emissions smaller

to set a maximum amount for emissions

to control and limit emissions

to watch and check emissions over a period of time

to control emissions with rules or laws

to find the size or amount of emissions

to cause emissions to exist

to reduce emissions to the smallest possible amount

to balance emissions by doing something that reduces them elsewhere

to produce or create emissions

to completely remove emissions