Life-cycle Assessment Results (IMAGE) University of Pittsburgh Caption Results of life-cycle assessment with biopolymers listed as PLA-NW, PLA-G, PHA-G, and PHA-S. Hybrid is B-PET. This table is from Environmental Science & Technology. Credit Tabone, et al., ES&T Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.