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this post was submitted on 29 Mar 2024
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Asklemmy
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Renewable sourcing is nice, but that doesn’t really address the main problem, which is what happens to the plastic after you’ve used it. If it’s burned, it will release the previously stored carbon into the atmosphere. If it’s recycled, the carbon stays in circulation. If it’s biodegradable, it solves the plastic problem for the most part.
"Biodegradable" and "burning" release the same mass of carbon into the environment. Burning releases it as CO2. Biodegraded plastic releases that carbon as methane.
Biodegradability is not a desirable property of trash bound for a landfill.
Actually it depends on how it decomposes. Anaerobic processes tend to produce methane, whereas aerobic ones usually produce CO2. Anyway, I was mainly thinking of the microplastics though. Biodegradable plastic wouldn’t stay in a harmful form for thousands of years, but it would still produce carbon in some form.