"A Case for Renewables" Earth Times (Sept. 1993).

"Fueling the Illusion of Progress: Energy and Industrialization in the European Experience," in John Byrne and Daniel Rich, eds.,Energy and the Environment: The Policy Challenge, vol. 6, 89-113,3, (Transaction Publishers, 1992). pp 89-113.

"Energy, Power, and Perceptions of Social Change in the Nineteenth Century," American Historical Review (June 1990), 693-7l4.

Susan Danly and Leo Marx, eds. The Railroad in American Art: Representations of Technological Change, review in The New York Times, May 29, 1988.

"Reassessing the Power Patterns of the Industrial Revolution: An Anglo-American Comparison," American Historical Review (December 1982), 1237-1261.

Financiers and Railroads: 1869-1889, (Newark: University of Delaware Press 1980).

Other Activities:
Editorial Board, Environmental History Review; Chair, Leopold Prize Committee, American Society for Environmental History; Fellow, New School for Social Research, East and Central Europe Program; Associate Fellow, University of Nebraska, Center for Great Plains Studies; member of Energy and Environmental Policy Studies Program, Hunter College.