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This paper aims to investigate sustainability research collaborations between the City of Vancouver and the University of British Columbia (UBC), as a case study to better understand how to use city–university partnerships to advance effective urban sustainability policy and practices. The study compiles a basic inventory of partnerships since 2010, describes their benefits, areas for improvement, barriers to collaboration and proposes ways to increase and improve future collaborations.

The study draws on an electronic survey completed by 58 individuals and interviews with 13 such participants who were faculty members and staff at UBC and Vancouver.

Most collaborations responded to climate change in some way, were initiated through informal professional relationships and involved single departments in each organization. Projects ranged in size, duration and level of municipal funding. Although project participants were generally happy with past experiences, future collaborations could be improved by increasing leadership commitment and resources and producing more mutually beneficial outcomes. Barriers included lacking awareness of potential partners, difficulty aligning municipal needs with academic research interests and divergent expectations about project resources. The study recommends introducing formal processes to help identify overlapping interests and opportunities, enhance co-creation of projects and increase leadership and resources.

The findings may inform the development and implementation of future city–university partnerships to advance sustainable policies and practices in urban areas.

This paper contributes by reviewing experiences with city–university collaborations and offering evidence-based recommendations to improve them, thereby increasing opportunities for more effective urban sustainability solutions.

Food wastage is a major contributor to pervasive world hunger. Cutting global food waste in half by 2030 is one of the United Nation's top priorities. Hence, this paper aims to provide useful insights on how individual behavior might be influenced to help reduce food wastage and hunger by identifying individual food waste determinants.

A total of 297 useable responses were obtained from a survey using a food diary method. A logit model was employed to estimate the relationship between leftovers and its determinants (preparedness to take own action, price conscious, food review, religiosity, health conscious, cost, marital status and gender).

Results show that preparedness to be responsible for one's actions, depending on food reviews and being waste conscious had a significant positive relationship with food waste reducing behavior, along with being male and being married.

The study suggests that there is scope for policy initiatives to reduce the individual utility from discarding food and increase the individual utility from food saving activities. Penalizing individual or household food wastage through a tax will directly raise the cost of wastage and reduce the net utility from discarding food. Reducing food waste could help reduce global hunger.

Rationally, no one will have any intention to waste when buying food. Instead, in the context of deciding whether or not to leave leftover food, an individual is posited to weigh the potential utility from saving food or throwing it away. Thus, this study examines food waste behavior by utilizing economic tools, which is rare in the food waste literature.

Food waste at the household level represents a major component of all food waste. Therefore minimizing food waste at the household level remains an important component of the food chain responsibility. This study explores the problem of food waste in Mauritius through an understanding of households' attitudes toward food waste and their motivations and barriers to food waste recycling.

The study uses a grounded theory approach to identify thematic categories that represent participants' attitudes toward food waste and the barriers they face to food waste reduction. We used a purposive sampling technique to guide the selection of participants. Interviews were conducted with 14 participants: three experts in food waste and 11 households. The data were analyzed using the tools of grounded theory.

Participants' expressed views on food waste included (1) guilt toward wasting food; (2) (lack of) environmental awareness; (3) financial considerations and (4) exemption from responsibility. The findings also led to the development of four themes that defined the barriers participants face to recycling food waste: (1) lack of awareness; (2) space limitations on recycling methods; (3) inadequate policy and (4) lack of time/priority.

Addressing the problem of food waste requires a holistic approach that takes into account households' attitudes to food waste, their motivation and barriers to food waste recycling as well as the regulatory and institutional framework governing food waste management in Mauritius. Policymakers should try to improve households' knowledge about food waste through educational campaigns. The authorities can provide different types of bins to households freely to facilitate the sorting out of waste and impose a fee for food waste generated beyond a certain limit or provide subsidies to them for handling food waste properly.

The management of food waste is particularly challenging for small islands developing states because of their unique characteristics of smallness, limited resources and environmental vulnerability. Appropriate interventions to reduce household food waste require place-based and geographically sensitive analyses that take into account the specificities of local food and waste management systems and cultural norms with respect to food. However, there is not only a paucity of research on household food waste, but most studies have been carried out in nonisland economies. The study contributes to the limited research on household food waste in small islands.