Penn State geographers in Justice, Ethics, and Diversity study how power and difference operate from the local to the global, with particular attention to process of marginalization across race, class, gender, and sexuality. Penn State geographers study how power and difference operate from the local to the global, with particular attention to process of marginalization across race, class, gender, and sexuality. We are particularly interested in explore how different groups envision alternative futures and transform the world around them in more just and sustainable ways.