A market-based approach to controlling pollution by providing incentives for reducing the emissions of pollutants.

plural of night emission

plural of nocturnal emission

The trading of emission allowances for carbon dioxide.

(uncountable, engineering, acoustics) A phenomenon wherein external stimuli such as mechanical loading generate physical vibrations.

plural of emission line

(physics) A discredited scientific theory, once considered an alternative to special relativity, proposing that light is emitted at speed c relative to its source instead of applying the invariance postulate.

plural of emission allowance

The permit to emit carbon dioxide and other greenhouse gases during a specified period.

(physics) A nuclear reaction in which one or more neutrons are emitted. / A form of radioactive decay, where a nucleus with a severe excess of neutrons, emits a neutron.