Shelton, M. L., & Rogers, R. W. (1981). Fear-arousing and empathy-arousing appeals to help: The pathos of persuasion.. Journal of Applied Social Psychology, 11, 4, 366-378.

Shepard, C. L., & Speelman, L. R. (1986). Affecting environmental attitudes through outdoor education. Journal of Environmental Education, 17, 2, 20-23.

Stern, P. C., Black, J. S. & Elworth, J. T. (1983). Responses to changing energy conditions among Massachusetts households. Energy, 8, 7, 515-523.

Siegfried, W. D., Tedeschi, R. G., & Cann, A. (1982). The generalizability of attitudinal correlates of proenvironmental behavior. Journal of Social Psychology, 118, 2, 287-288.

Steger, M. A., Pierce, J. C., Steel, B. S., & Lovrich, N. P. (1989). Political culture, postmaterial values, and the new environmental paradigm: A comparative analysis of Canada and the United States. Political Behavior, 11, 3, 233-254.

Stern, P. C., Aronson, E., Darley, J. M., Kempton, W., Hill, D. H., Hirst, E. & Wilbanks, T. J. (1987). Answering behavioral questions about energy efficiency in buildings. Energy, 12, 5, 339-353.

Sia, A. P., Hungerford, H. R., & Tomera, A. N. (1986). Selected predictors of responsible environmental behavior: An analysis. Journal of Environmental Education, 17, 2, 31-40.

Simmons, D. A., & Widmar, R. (1990). Participation in household solid waste reduction activities: The need for public education. Journal of Environmental Systems, 19, 4, 323-330.

Stern, P. C., Aronson, E., Darley, J. M., Hill, D. H., Hirst, E., Kempton, W. & Wilbanks, T. J. (1985). The effectiveness of incentives for residential energy conservation. Evaluation Review, 10, 2, 147-176.

Simmons, D., & Widmar, R. (1990). Motivations and barriers to recycling: Toward a strategy for public education. Journal of Environmental Education, 22, 1, 13-18.