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Studiul efectuat de acestia arata ca un singur muc de tigara,
care contine inca mici cantitati de tutun nears, e suficient pentru
a contamina un litru de apa si a otravi jumatate dintre pestii din
ea.
Chiar si filtrele sunt periculoase pentru mediu, fiind fabricate
din acetat de celuloza, care nu este biodegradabil.
Pe baza acestor rezultate, cercetatorii au conchis ca resturile
de tigari reprezinta deseuri cu un grad mare de toxicitate si ar
trebui emise norme speciale pentru colectarea si depozitarea
lor.
Sursa: CBC
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