https://www.goodnewsnetwork.org/eco-friendly-tableware-northeastern-biodegrades/
"Winding together long and thin bamboo fibers with short and thick bagasse fibers to form a tight network, the team molded containers from the two materials that were mechanically stable and biodegradable.
The new green tableware is not only strong enough to hold liquids as plastic does and cleaner than biodegradables made from recycled materials that might not be fully de-inked, but also starts decomposing after being in the soil for 30-45 days and completely loses its shape after two months."
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The plastics industry doesn't care that the world is drowning in plastic, where microplastics have been found in the highest elevations and lowest ocean depths, never to degrade. Something has to be done.