Complex sentence: He is also on the adjunct faculty of Brown University's Watson Institute for International Studies and on the visiting faculty for the United Nations University for Peace (Costa Rica), where he teaches a course on Indigenous Environment and Development Conflicts.
Split into simpler sentences: He is also on the adjunct faculty of Brown University's Watson Institute for International Studies. He also is a current member of the visiting faculty for the United Nations University for Peace (Costa Rica), where he teaches a course on Indigenous Environment and Development Conflicts.