Mohamed Hijri, University of Montreal (IMAGE) University of Montreal Caption Mohamed Hijri's team evaluates the progress of work on a contaminated site in the Greater Montreal region, where they have planted cuttings that carry petrol‑eating mushrooms. Print resolution available. Credit Université de Montréal 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.