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The United Nations Sustainable Development Goals (SDGs) describe a course of action to address poverty, protect the planet and ensure prosperity for all (https://sdgs.un.org/goals). More specifically, SDG 6 clarifies how water quality, quantity and access are crucial to human well-being, and yet human activities are compromising water resources through over-exploitation, pollution, as well as contributing to the spread of disease. Globally aquatic ecosystems are highly threatened and concerted efforts by governments and civil society to 'turn the situation around' are simply not working. Human-created problems require human-centred solutions and these require different ways of thinking and acting to those behaviour patterns that are contributing to the challenges. In this paper, we first consider causal approaches to attitude change and behaviour modification that are simply not working as intended. We then explore enabling responses such as citizen science and co-engaged action learning as more tenable alternatives. SDG 6 has a focus on clean water and sanitation for all. The SDGs further clarify how the extent to which this goal can be realized depends, to a large extent, on stakeholder engagements and education. Through stakeholder engagements and educational processes, people can contribute towards SDG 6 and the specific indicator and target in SDG 6.b - Stakeholder participation. Following a three-year research process, that investigated a wide range of participatory tools, this paper explores how the Stream Assessment Scoring System (miniSASS; www.minisass.org) can enable members of the public to engage in water quality monitoring at a local level. The paper continues to demonstrate how miniSASS can contribute to the monitoring of progress towards Sustainable Development Goal Target 6.3, by providing a mechanism for data collection indicator 6.3.2. miniSASS is proving popular in southern Africa as a methodology for engaging stakeholder participation in water quality monitoring and management. The technique costs very little to implement and can be applied by children and scientists alike. As a biomonitoring approach, it is based on families of macroinvertebrates that are present in most perennial rivers of the world. The paper concludes by describing how useful the miniSASS technique can be for addressing data gaps for SDG 6.3.2 reporting, and that it can be applied in most regions of the world. [ABSTRACT FROM AUTHOR]

This paper sets the stage for this Special Issue covering a set of papers, which try to provide a cross-scale evaluation of the trade-offs and synergies evident among aquaculture, water quality and environment in the empirical context of 8 different countries from Asia and Africa. Having discussed the livelihood and policy significance of the issue of cross-scale trade-offs and synergies, this paper provides an eclectic review of literature to show how this issue has been insufficiently treated in past studies. With a brief overview and synthesis of the papers included in this Issue, this paper also indicates how they overcome the analytical, methodological, and data challenges so as to provide a cross-scale evaluation of the trade-offs and synergies in different empirical settings. After illustrating how the new research insights can be integrated into the public debates and policy processes, this paper concludes with the identification of future research and policy needs. [ABSTRACT FROM AUTHOR]

Secretariats are an increasingly common feature in Africa's transboundary river basin organizations (RBOs). Non-secretariat-based forms of transboundary RBOs nonetheless also exist, and such forms of cooperation have often functioned effectively. These realities drive questions about the rationale and role for secretariats. This paper employs two approaches to compare secretariat-based RBOs vis-à-vis RBOs without secretariats in Africa. First, we compared the degree to which five governance instruments, determined to enable effective transboundary water management, are contained in treaties creating secretariat-based RBOs versus treaties creating non-secretariat-based RBOs. Second, the costs and benefits of six African transboundary RBOs - three with secretariat and three without - were compared based on a survey of regular costs and volume and number of projects. Key findings are that RBOs with secretariats have achieved stronger governance and secured more investment than RBOs without secretariats. Costs associated with operating secretariats appear justified by their benefits. These findings help to lay an improved basis for selecting desired models of RBOs in Africa's transboundary basins. [ABSTRACT FROM AUTHOR]

Access to safe, sufficient and affordable water in rural Africa will not increase unless sustainable financing strategies are developed which ensure the sustainability of existing water services. There is a strong need for international donors and national governments to confront the true costs associated with sustained service provision in order to develop practicable long-term financing mechanisms. This paper presents a systematic approach that can be applied to determine the overall cost of service delivery based on respective cost estimates for operation and maintenance, institutional support, and rehabilitation and expansion. This can then be used to develop a tariff hierarchy which clearly indicates the cost to water users of different levels of cost recovery, and which can be used as a planning tool for implementing agencies. Community financing mechanisms to ensure sustained payment of tariffs must be matched to specific communities and their economic characteristics; a blanket approach is unlikely to function effectively. Innovative strategies are also needed to ensure that the rural poor are adequately served, for which a realistic, targeted and transparent approach to subsidy is required. [ABSTRACT FROM AUTHOR]