Alex A. Pulsipher is an independent scholar in Knoxville, TN, focusing on urban development, sustainability, and global environmental change. In the early 1990s, Alex spent some time in South Asia working for a development research center and then went on to do an undergraduate thesis on the history of Hindu nationalism at Wesleyan University. Beginning in 1995, Alex worked full time on the research and writing of the first edition of World Regional Geography. In 1999 and 2000, he traveled to South America, Southeast Asia, and South Asia, where he collected information for the second edition of World Regional Geography and for the website. In 2000 and 2001, he returned to writing material and designing maps for the second edition. In 2010, he earned a masters degree in Geography from Clark University, where he studied the diffusion of green technologies in the context of environmental change.