WOBURN, MASSACHUSETTS- In a Massachusetts laboratory, granules the size of a pebble are transformed into forks and foils that will not leave persistent microplastics in the environment.They are bioplastic granules. CJ Biomaterials ferment sugar to make polymers of plant origin that microbes will consume.Some see these alternatives to traditional fossil fuel plastics as one of the many solutions needed to deal with global plastic pollution.At the…