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25 Dez 1963 Jahr - Section 5

Beschreibung:

The Clean Air Act has helped smog decrease more than 25%, reduce mercury emissions by 45%, reduce the main pollutants by 71%, and decrease lead air pollution by 92%. The Clean Air Act has helped the world today by

Zugefügt zum Band der Zeit:

19 Okt 2018
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Datum:

25 Dez 1963 Jahr
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~ 61 years ago