Reducing Lunchtime Garbage Produced by New Brunswick Students Using Prompts and Commitment

Cases
The litterless lunch reduced the volume of garbage produced by 478.29 in or approximately 1/2 a bag. In addition, there was a reduction in weight by 5.93 lbs.

Using Commitment and Communication to Increase Grass Cycling in Suburban Neighborhoods

Cases
Cobern, M. K., Porter, B.E., Leeming, F.C., & Dwyer, W.O. (1995). The effect of commitment on adoption and diffusion of grass cycling. Special Issue: Litter control and recycling. Environment and Behavior, 27, 2, 213-232.
Before the introduction of the behavior change tools, grass bags were present at curbside 50% of the time. After four weeks of intervention, the commitment group had reduced this…

Using Communication to Increase Participation in a Curbside Recycling Program in Claremont, Ca.

Cases
Burn, S. M. (1991). Social psychology and the stimulation of recycling behaviors: The block leader approach. Journal of Applied Social Psychology, 21, 8, 611-629.
During the 11 week post treatment phase, 28% of non-recyclers who were visited by the block leaders began recycling. In contrast, only 12% of the information only group began rec…

Communication and Commitment Improve Participation in Curbside Recycling in Claremont California

Cases
Burn, S. M., & Oskamp, S. (1986). Increasing community recycling with persuasive communication and public commitment. Journal of Applied Social Psychology, 16, 1, 29-41.
In both the commitment and the combined group, 42% of households began recycling. Thirty-nine percent started participating in the communication group. In contrast, only 11% began…

Increasing Participation in Curbside Paper Recycling Using Verbal Prompts in Chicago

Cases
Spaccarelli, S., Zolik, E. & Jason, L. A. (1989-1990). Effects of verbal prompting and block characteristics on participation in curbside newspaper recycling. Journal of Environmental Systems, 19, 1, 45-57.
The information only group had only 2.4% of participants recycle at least once during the 21 weeks following the intervention. In contrast, 30% of the information and verbal prom…

Motivating Community Recycling: New Zealand Curbside Trial

Cases
Groups 2 and 3, the verbal commitment groups, recycled considerably more than the control group (who were not asked for a verbal commitment). Only 47% of the participants in group…

Students Teaching Students on the Importance of Using Both Sides of Paper, Conserving Energy, and Recycling

Cases
This procedure was repeated in June of 1996. Twenty five percent of the paper found in classroom recycling bins was used on both sides, and 46% of the waste in the classroom garba…

Excuse Me Do You Recycle? Public Participation in Curbside Recycling in the UK.

Cases
Fifty-seven percent of the households interviewed currently participated in the curbside recycling program. In 8 of 11 (73%) of the areas the crews visited, recycling participatio…

Waste Wise Program

Cases
Since the onset of the Waste Wise program in 1994, partners have reported strong waste prevention and recycling collection results. In addition to natural resource conservation an…

Encouraging People at Festivals to Reduce, Recycle, and Reuse Cups

Cases
All 7,500 souvenir cups were sold and it was estimated that visitors, took over 5,000 home. Staff also counted 500 refills. The remaining cups, collected for recycling were made…

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