Current sanitation systems are inherently limited in their ability to address the new challenges for (waste)water management that arise from the rising demand to restore resource cycles. These challenges include removal of micropollutants, water (re)use, and nutrient recovery. New opportunities to address these challenges arise from new sanitation, a system innovation that combines elements of source separation, local treatment and reuse, and less use of water. New sanitation is applied, but not yet widespread, in several residential areas in Europe. Implementation is hindered by the lack of insight into the general public's willingness to engage in new sanitation, and the resulting uncertainty about this among decision makers and other stakeholders in wastewater management. Using value-belief-norm theory as a conceptual lens, this paper addresses the individual motivations (pro-environmental personal norms) and personal drivers (benefits) and barriers (risks) for acceptance of new sanitation by the Dutch general public. The results of an online survey (N = 338) indicated that both pro-environmental personal norms and risk and benefit perceptions predict consumers' willingness to accept new sanitation. More specifically, they showed that consumer acceptance is driven by perceived risks relating to the housing market and the need to change behavior, but also by environmental benefits. Overall, new sanitation was favorably evaluated by respondents: 64% indicated that they would likely use new sanitation if they were owner-occupiers. The results of this explorative study are discussed in light of the development of novel sanitation systems that are sensitive to perceptions of end-users and other key stakeholders.

The current study investigated the determinants of consumers' intention to purchase meat from mobile slaughter units (MSU). The theory of planned behavior (TPB) and the value belief norm theory (VBN) were used as conceptual lenses to guide this investigation. We conducted a survey among 329 respondents in the Netherlands who buy meat for themselves and/or for others. The results indicated that (1) TPB and VBN explain a high proportion of the variance in consumers' intention to buy MSU meat, and that (2) an extended TPB that includes peoples' attitude, personal norm, subjective norm, and perceived behavioral control turned out to be the best model to predict willingness to buy MSU meat. Further implications for future research and practice are discussed.

Latin America has historically been a vanguard of agroecology. In Nicaragua, an agroecological transition is occurring, with three decades of building a groundswell based on the farmer-to-farmer movement and the recent institutionalization of agroecology in national law. Yet, problems remain with agroecology’s diffusion. We introduce the Technological Innovation Systems approach to examine systemic barriers to the agroecological transition and cycles of blockages caused by barriers’ interactions. Based on qualitative data from north-central Nicaragua, we find the main barriers hindering the agroecological transition include weak guidance of the search for agroecology, insufficient capacities and quantities of resources, and lacking market development. Beyond the Nicaragua case, the analysis points at the importance of using socio-technical systems analysis to better understand and address the root causes behind issues blocking national agroecological transitions.

In the present research we argue that mastery-approach goals may be beneficial in social achievement contexts because these goals lead to constructive exchange relationship building. An examination of three methodologically complementary studies revealed that mastery-approach goals lead to more cooperative and higher-quality exchange relationships than performance-approach goals and are, ultimately, associated with better job outcomes, as well. The results of a questionnaire study demonstrated that mastery-approach goals are more strongly related to cooperative motives and more weakly related to competitive motives than performance-approach goals. Furthermore, an experimental study indicated that mastery-approach driven individuals show a higher concern for others and are more strongly inclined to cooperate with an exchange partner when engaged in a complex reasoning task than performance-approach driven individuals. Finally, an organizational field study showed that team–member exchange mediates the effect of mastery-approach goals on job performance, job satisfaction, and organizational commitment.

Agroecology started to amplify agroecology in Nicaragua in the 1980s and was translated into national policy in 2011. Using the Multi-Level Perspective on sustainability transitions (MLP), this paper explores whether the rise of agroecology has fundamentally transformed Nicaragua’s agri-food system. Drawing on the findings of a qualitative study including a range of agroecological actors and organizations, we create a rich innovation history timeline of Nicaragua’s agroecology development at different levels – the agroecological niche (space in which heterogenous actors nurture innovations) and the regime (dominant agri-food system paradigm). MLP analysis is used to explore the extent to which agroecology’s growth has transformed the national agri-food regime. We find that although the term ‘agroecology’ is used widely by government, incentives for transitions to agroecology are only weakly implemented. This stems partly from the co-optation of the agroecological niche’s discourse by regime actors. Currently, it seems the transition process is not a reconfiguration of the agri-food system, but rather that agroecology has been added to the regime without deeper changes.