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ID number:308223
Author:
Evaluation:
Published: 11.12.2013.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Kas tiek darīts, lai novērstu ozona slāņa turpmāku samazināšanos?
1987. gadā tika parakstīts Monreālas protokols par hidroflorkarbonu un citas ozonu noārdošano vielu izmantošanas samazināšanu
2010. gadā tika aizliegts 2 grupas HCFC noārdošo vielu izmantošana

Vai ozona slānis atjaunosies?
Ja arī turpmāk tiks ievērots ozonu noārdošo vielu izmantošanas aizliegums, ozona slānis dabiskā veidā varētu atjaunoties līdz 2050. gadam.

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