25 pages, Decreasing the consumption of meat and dairy has been identified as an effective strategy for protecting the health of humans and the planet. More specifically, transitioning to diets that are lower in animal-source foods and higher in fruits, vegetables, legumes, and whole grains offers a promising opportunity to better align consumer behaviors with contemporary nutritional and ecological goals. However, given the limited understanding of how these changes in dietary behaviors can be best promoted, there is a need to explore the merits of community-based approaches to meat reduction and their capacity to advance more sustainable practices of eating at the individual, household, and community levels. To address this gap in the literature, we surveyed more than 100 American households participating in a communitywide, 12-week-long Meatless Monday challenge and tracked the changes in their knowledge, attitudes, beliefs, and food choices over a nine-month period. The case study provided herein highlights a number of key findings from our evaluation. Most notably, our results demonstrate the value of community-based efforts in initiating and maintaining dietary behavior change and provide preliminary insights into the unique roles of multilevel interventions and diverse stakeholder engagement in promoting healthier, more sustainable diets.
13 pages, No consensus exists regarding which are the most effective mechanisms to promote household action on climate change. We present a meta-analysis of randomised controlled trials comprising 3,092,678 observations, which estimates the effects of behavioural interventions holding other factors constant. Here we show that behavioural interventions promote climate change mitigation to a very small degree while the intervention lasts (d = −0.093 95% CI −0.160, −0.055), with no evidence of sustained positive effects once the intervention ends. With the exception of recycling, most household mitigation behaviours show a low behavioural plasticity. The intervention with the highest average effect size is choice architecture (nudges) but this strategy has been tested in a limited number of behaviours. Our results do not imply behavioural interventions are less effective than alternative strategies such as financial incentives or regulations, nor exclude the possibility that behavioural interventions could have stronger effects when used in combination with alternative strategies.
Online from UI Library subscription., Reports a case study of efforts to control an infestation of water hyacinth in Lake Tana, largest lake in Ethiopia. Findings revealed that participatory communication was equated to a public relations activity of organizing campaigns with the local people urged to participate by providing labour contribution of harvesting and collecting the weed from the lake. The communication approach was found to be a one-way, top-down approach which does not facilitate a horizontal dialogue among stakeholders.
Online from publication. 3 pages., "Retailers care about sustainability because consumers care, but for many the pursuit of sustainability tends to be more of an afterthought than top priority. Sustainability is valued highly by growers, retailers and consumers, but there is not always common understanding of what it means."
