Leipzig (IMAGE) Helmholtz Association Caption The existence of functioning ecosystems in cities promotes the health and well-being of urban residents. The photo shows the skyline of Leipzig. Credit Andre Künzelmann/UFZ 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.