Viorel Popescu, Simon Fraser University (IMAGE) Simon Fraser University Caption Viorel Popescu, an SFU biology research associate, is one of eight international co-authors of a paper revealing the cumulative effect of hydraulic fracturing is threatening the natural world's survival. Credit Simon Fraser University PAMR 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.