In conjunction with Rio+20, ICIMOD is pleased to announce the release of a new concept paper, ‘Contribution of Himalayan Ecosystems to Water, Energy, and Food Security in South Asia: A nexus approach’. ICIMOD will present this topic in two events in Rio: the side event ‘Mountain Knowledge Solutions for Sustainable Green Economy Through an Improved Water, Food, Energy, and Environment Nexus’ on 18 June; and an event at the Mountain Pavilion, ‘Role of Mountains in Promoting Green Growth Strategies and Making Development Sustainable’, on 19 June. We welcome all those who are in Rio to attend.
In the face of climatic and other socioeconomic changes, most South Asian countries – having large and growing population, limited land resources, and increasing water stress – face a common challenge of how to grow more food with the same or less land, less water, and increased energy prices. This concept paper seeks deeper understanding of the interlinkages among water, energy, and food, which is crucial to formulate cross-sectoral policies for more resilient and adaptable societies. In South Asia, such a nexus approach inevitably needs to take Himalayan ecosystem services into account. Rice and wheat, the staple foods in South Asia, require huge amounts of both water and energy. The Indus-Ganges-Brahmaputra plain – the sub-region’s grain basket and one of the world’s largest areas of irrigated agriculture – depends in large part on the Himalayan mountain system as a source of both surface and groundwater for irrigation; as a source of hydropower; and as a regulator of climate and a repository of agro-biodiversity. To sustain these services and to ensure both upstream and downstream food, water, and energy security in South Asia, policies and strategies must therefore promote improved management of Himalayan watersheds, forests, wetlands, and rangelands. Recommended measures include support to restoration of natural water storage capacity; development of climate smart, environmentally and socially sound water infrastructure; adequate investment for natural resource management; and incentives to mountain communities for managing Himalayan ecosystems.
The full publication can also be downloaded from ICIMOD Books Online at
Print copies can be requested through the Books Online or from our Distribution Unit at [email protected]
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