The following Power Point is an academic research assignment I completed for the University of Texas Rio Grande Valley (UTRGV), MPA Program course: PUB6304 Intergovernmental Relations, Fall 2014. This topic addresses how modern metropolis cities are evolving, as their governments are forced to change and to adapt to the environmental factors affecting us all. Sustainability is a new value in public administration, pushing public managers and policymakers to think about the “short-run” and “long-run” consequences of human action on human and environmental welfare. Sustainability emphasizes the pursuit of economic, social, and environmental prosperity for both current and future generations.