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Poly(lactic acid) (PLA) films with 1 wt% of amber extract (AbE) as a bio‐additive were obtained through solvent mixing using 1,4‐dioxane, which was later evaporated. The extract, derived from the residual amber generated during jewelry manufacturing in the Gdansk region (Poland), was evaluated for its morphology and thermal response. The resulting films were transparent, and the addition of AbE imparted...