Monarch Butterfly In Urban Garden (IMAGE) Tufts University Caption Devoting 15% of space in urban and suburban environments to high quality habitat is enough to facilitate movement of many species to areas where they may better survive. Credit Leone Brown, Tufts University 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.