Rivers are the cultural, social and economic backbone of South Asia, and therefore, the focus of public, political and scientific debate. Himalayan glaciers are the source of numerous large Asian river systems, which support rich ecosystems and irrigate millions of hectares of fields, thereby supporting about a billion people who live in their catchments. Impacts of climate change in river systems are likely to have considerable social, economic, ecological and political implications. This paper reviews literature for three major glacier-fed river systems of South Asia-Brahmaputra, Ganga and Indus-to understand governance mechanisms for climate adaptation in the region. A systematic review methodology is applied to examine adaptation responses in the riparian countries of these Himalayan river basins in three different levels-policy objectives, institutions and practice. Using the ''fit for purpose'' governance framework, we try to examine how far or near is the region for operationalizing principles of adaptive governance.

Issues of disaster and governance in the Brahmaputra Basin of India have been part of different debates within the epistemic boundaries. This study of a social–ecological regime shift, from a prosperous paddy cultivated region within the north bank of the Upper Brahmaputra Valley to a sediment deposited wasteland, unravels the complex relations between narratives of a problem and purposeful action. It is found that policy and practice solutions may not always be grounded in the problem situation but can be shaped by wider discourses and social learning. The study illustrates the continuation of engineering solutions without deeper understanding of their influence on social dynamics, the typification of community behaviour with an ignorance of cultural legacies, and a lack of prioritization of adaptation needs in the novel social–ecological conditions of the region. The conceptual frameworks of flood control debates contribute to distinct discourses influencing policy and praxis, while the discontented riparian community is motivated, by actors influenced by identity and space politics, towards political autonomy. Such influences of opposing discourses may reinforce the narrative of a trust gap between the Indian polity and its Northeast Region. The study further identifies a latent capacity for flexibility in the community, which requires more attention from policy and praxis to explore management solutions in such a complex social–ecological system. The paper argues for science, policy and practice engagements in such contexts and the use of transdisciplinary heuristics for their design to facilitate shared understanding. Copyright © 2017 John Wiley & Sons, Ltd and ERP Environment

Amidst complex social-ecological dynamics of localities and future uncertainties posed by global environmental challenges like climate change, there is a need of practicing the principles of learning and flexibility in public policy process. In this study we illustrate the importance of adaptive governance paradigm as an approach for bringing coherence between climate change adaptation and disaster risk reduction in India. We comment on the type and extent of integration between climate policy and disaster management in the evolving policy landscape of India and cite certain paradoxes in actual practice. We look towards Soft Systems Methodology (SSM) as a diagnostic tool for informing policy in place of the dominant donor-recipient models of knowledge generation and dissemination. In our diagnosis of urban and rural flooding in India, we found lack of transparency, coordination, local sensitivity and inclusivity in governance leading to a trust deficit among citizens and government institutions, compliance issues, struggle for change in power structures and access to more information while there is willingness for meaningful learning among different stakeholders given the opportunities for social learning. We suggest that pedagogy for ongoing capacity building programmes in India for climate policy and disaster management should incorporate such tools to enable an environment of social learning in consultations and facilitate cognitive abilities to comprehend knowledge from diverse sources. It is only through governance mechanisms for shared understanding which can usher the much desired fit between science, policy and practice.

The economic risk from and social vulnerability to riverine floods in India is one of the highest, if not the highest, in the world, with millions of people exposed and vulnerable, and billions of rupees worth of property and infrastructure at risk. Between 1953 and 2011, the total number of human lives lost to floods was 97,551 and the total economic cost of floods in India was 4.506x10 12 INR (6912x10 7 USD) in 2017 prices. Embankments have been the dominant flood protection scheme, or Disaster Risk Reduction strategy, since Independence and despite the heroic construction of tens of thousands of embankments to protect lives and property from floods, economic damage continues to rise, even when normalized for inflation to take account of increasing wealth and therefore an increase in the amount of property that can be damaged. Explanations of this apparent paradox vary, but appear to centre on breaches in embankments, incomplete embankments, sedimentation in channels because of embankments and therefore deeper and more dangerous floods, human encroachment onto floodplains partly as a result of 'the levee effect' whereby people feel safe in the presence of embankments, and the displacement of traditional coping mechanisms by government initiatives. While governments, NGOs, and academics have often discussed non-structural DRR, and some is in place, there has been little development of this approach to more completely complement structural interventions to reduce deaths and damage. A workshop of flood management practitioners and analysts in February 2017 produced a set of recommendations for a more robust form of DRR for India, and they are presented as a contribution to at least moderate what has become an existential crisis for many Indians.

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