Using a Uniquely Designed Waste Recepticle as a Prompt to Control Litter in a Shopping Mall in Blacksburg, Virginia

Cases
Geller, E. S., Brasted, W. S. & Mann, M. F. (1979). Waste receptacle designs as interventions for litter control. Journal of Environmental Systems, 9, 2, 145-160.
Overall, the weekly average weight of the refuse in regular cans was 9.34 lbs. To compare, the average weight of trash in the bird cans was 15.05 lbs. Moreover, the bird cans ha…

The Effects of an Ambiguous, Negative Sign Prompt and a Clearly-Stated Positive Sign Prompt on Intentions to Litter

Cases
Horsley, A. D. (1988). The unintended effects of a posted sign on littering attitudes and stated intentions. Journal of Environmental Education, 19, 3, 10-14.
Thirty percent of participants responded that the "Please save our landscapes: don't litter" prompt would make them think about the litter problem. Furthermore, 20% indicated tha…

Using Proximity of Trash Cans and Ash Trays to Increase Convenience of Separating Litter in a Blacksburg, Virginia Shopping Mall

Cases
Geller, E. S., Brasted, W. S. & Mann, M. F. (1979). Waste receptacle designs as interventions for litter control. Journal of Environmental Systems, 9, 2, 145-160.
The greatest amount of litter separation occurred in the combination astray/garbage can receptacle. On average, 22.19 appropriate items and only 2.64 inappropriate items were dep…

The Effect of Sign Prompts and Modeling on Encouraging Dog Owners to Pick-up Dog Droppings in Chicago, Illinois

Cases
Jason, L. A., Zolik, E. S., & Matese, F. J. (1979). Prompting dog owners to pick up dog droppings. American Journal of Community Psychology, 7, 3, 339-351.
Only 5% of dog owners picked up after their pets during baseline observations. Sign prompts alone were not effective in encouraging pick up behavior as only 6% of dog owners obey…

The Effects of Sign Prompts and Large Receptacles on Highway Littering in Richmond, Virginia

Cases
Finnie, W. C. (1973). Field experiments in litter control. Environment and Behavior, 5, 2, 123-144.
Overall, litter was reduced by 28.6% when trash cans were present. No statistical differences were found between the highway with sign prompts and the highway without.

The Effects of an Ambiguous, Negative Sign Prompts and a Clearly-Stated Positive Sign Prompt on Intentions to Litter

Cases
Horsley, A. D. (1988). The unintended effects of a posted sign on littering attitudes and stated intentions. Journal of Environmental Education, 19, 3, 10-14.
Thirty percent of participants responded that the "Please save our landscapes: don't litter" prompt would make them think about the litter problem. Furthermore, 20% indicated tha…

Using a Normative Appeal to Control Litter at a Public Swimming Pool

Cases
Reich, J. W., & Robertson, J. L. (1979). Reactance and norm appeal in anti-littering messages. Journal of Applied Social Psychology, 9, 1, 91-101.
The flyer containing the extreme message elicited the highest frequency of littering of the three handbills. The "Don't Litter" flyer was littered 50% of the time. In comparison…

Using a Colourful, Specially Designed Waste Receptacle to Reduce Litter in Downtown St. Louis, Missouri

Cases
Finnie, W. C. (1973). Field experiments in litter control. Environment and Behavior, 5, 2, 123-144.
As compared to the no trash can condition, there was a 3.15% reduction in litter when standard gallons were on city blocks. Moreover, littering was reduced by 14.7% when the wast…

Using Verbal and Visual Prompts to Reduce Litter in High Schools in Perth, Australia

Cases
Houghton, S. (1993). Using verbal and visual prompts to control littering in high schools. Educational Studies, 19, 3, 247-254.
Verbal and visual prompts were most effective when used in combination. On average, the number of littered items was reduced to 2.5 in the cafeteria compared to 7.3 items before …

Clean Builder Program

Cases
The project was launched on August 2, 1997 in conjunction with the Eastern Newfoundland Home Builders Association Ltd. and St. John's Clean and Beautiful. Currently there are 14 C…

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