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[Composting PLA plastic requires large facilities that can sustain high temperatures, and it must be mixed with a much larger amount of non-plastic plant matter. It can't be mixed with petroleum-based plastics for recycling. It competes with the food supply for agricultural resources. Cargill makes it from corn, the growing of which uses a lot of petroleum-based fertilizers and pesticides. It melts at 114 degress Farenheit. Its feel-good reputation legitimizes overpackaging.]
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