Plastic doesn't grow on trees, but it grows in grass now
With the help of genetically engineered microbes, scientists have created plants that can churn out "green" plastic that might someday replace the petroleum-based kinds used in everything from ballpoint pens to disposable food containers. Metabolix, a Massachusetts-based biotech company, is using this process to make polyhydroxyalkanoate (PHA) – a biodegradable polymer similar to polypropylene (found in yogurt containers) – inside the stems and leaves of switchgrass, oilseed and sugarcane crops.
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