Melissa Bilec (IMAGE) University of Pittsburgh Caption Melissa Bilec, co-director of Mascaro Center for Sustainable Innovation, Special Assistant to the Provost for Sustainability, William Kepler Whiteford Professor of Civil and Environmental Engineering at the University of Pittsburgh Credit University of Pittsburgh Usage Restrictions N/A License Original 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.