United States Beaumont/Port Arthur, Texas A Brief History of the Oil and Gas Industry in the Golden Triangle Beaumont-Port Arthur Witness Seminar (January 14, 2017) El Paso, Texas A Brief History of the Smelter Industry in El Paso El Paso Witness Seminar I (August 3, 2013) El Paso Witness Seminar II (August 12, 2013) Long Island/Greater New York Superstorm Sandy in Historical Perspective Mapping Sandy’s Inequalities Navajo/Diné Nation Uranium Mining Wastes; Interviews with Activists