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1 janv. 1990 - The Clean Air Act Ammendment of 1990 is passed

Description:

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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Date:

1 janv. 1990
Maintenaint
~ Il y a 35 ans
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