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1 gen 1981 anni - Canadian Coalition on Acid Rain

Descrizione:

Agreement started.
Canada and the United States.
Reduce sulphur dioxide and nitrogen oxide emissions.

Aggiunto al nastro di tempo:

Kacie and Rachel

30 ott 2017

1

0

807

Data:

1 gen 1981 anni

Adesso

~ 44 years ago

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