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1 Jan 1990 Jahr - The Clean Air Act Ammendment of 1990 is passed

Beschreibung:

The amendment included the first national emissions trading program which created the cap-and-trade system for NOx and SOx.

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maggie

ByMaggie Guinta

17 Nov 2017

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Datum:

1 Jan 1990 Jahr

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~ 35 years ago

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