Traditional pet plastic is made using fossil fuels, including petroleum, a limited resource that's rising in price.

传统的PET塑料是用化石燃料制作的，比如石油，这种持续涨价的有限资源。

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When rain and melting snows flow over a city's streets, parking lots and sidewalks, that runoff picks up all kinds of pollutants residues of petroleum and pesticides, soaps and solvents, as well as pet and wildlife waste.

VOA: standard.2010.08.04