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1 gen 1990 anni - Clean Air Act Ammendments
Descrizione:
Ammendments protect the ozone layer, reduce acid rain and toxic pollutants, and improve air quality and visibility
Aggiunto al nastro di tempo:
Environmental Law timeline
By
nikki
5 dic 2018
0
0
255
Data:
1 gen 1990 anni
Adesso
~ 34 years ago
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