Surely sending bio-plastic to landfill is better than ordinary plastic. Won’t it decompose eventually?

The conditions aren’t hot enough. Plus no waste decomposes in landfill because of the combinations of materials compacted on top of each other. So compostable plastics    stay in landfill just like the rest of the waste.

Many people have asked if, compostable plastics give off methane in landfill like other organic materials. The answer is no, because they need to get to 60 before they start the decomposing, so they just remain inert.

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