The Truth About Biodegradable Plastics

In an effort to stymie plastic pollution, several companies have engineered so-called compostable “bioplastics.” But are biodegradable plastics really what they claim?



biodegradable plastics - composting test
Of the purportedly biodegradable plastics we tested, only Novamont's Mater-Bi (top left), was compostable in typical home compost pile conditions.
PHOTO: GRETCHEN STUART
biodegradable plastics - Mater-Bi
The Mater-Bi shopping bag, pre-compost.
GRETCHEN STUART











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