30
/it/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
146793
13072
2

1 gen 1987 anni - the Montreal treaty was created

Descrizione:

the Montreal treaty was an international treaty
designed to protect the ozone layer

Aggiunto al nastro di tempo:

Data:

1 gen 1987 anni
Adesso
~ 37 years ago