Clean Builder Program
Adopt-A-Road
Field and Laboratory Studies of Littering
Krauss, R. M. & Freedman, J. L. & Whitcup, M. (1978). Field and laboratory studies of littering. Journal of Experimental Social Psychology, 14, 1, 109-122.
Litter Reduction: A Review and Integration of the Literature. Special Issue: Litter Control and Recycling
Huffman, K. T., Grossnickle, W. F., Cope, J. G., & Huffman, K. P. (1995). Litter reduction: A review and integration of the literature. Special Issue: Litter control and recycling. Environment and Behavior, 27, 2, 153-183.