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The Pillahuinco basin is located in one of the most productive regions of Argentina. It is within the roads that connect the southernmost parts of the country with the capital and the far north, as well as the Andean provinces of the west with the ports of the Atlantic coast, intersect there. The basin covers a region with a distinct topography, presenting a highland area with elevations between 250 and 650 meters. With a plain that can reach about 125 meters where agricultural activities predominate. The agriculture activities have resulted to environmental problems calling for an approach that can provide solutions to support sustainable development of the basin.

The European rivers Mura, Drava and Danube form a 700 km long “green belt” connecting more than 800,000 ha of highly valuable natural and cultural landscapes in five countries (Austria, Slovenia, Croatia, Hungary and Serbia). This area is a symbol of unity among the countries and is planned to become a protected Transboundary UNESCO Biosphere Reserve “Mura-Drava-Danube” (TBR MDD).

The paper explores how international law facilitates transboundary cooperation in a manner that is accessible to the wider transboundary water community. It discusses the norms and principles contained in treaties and rules of customary law and examines how these work in selected case studies from across the GWP network. This is a Technical Background Paper, written by the GWP Technical Committee, a group of internationally recognised professionals in integrated water resources management.

This paper presents an overview of the benefits of urban groundwater use, together with some harmful and persistent problems that groundwater can present for urban development. This is a Perspectives Paper, meant to incite a discussion on important issues related to water and development.

One way to address the complexity of water resources systems is by applying decision support systems (DSS) and computerised models. These present the interrelated elements of the system in a comprehensive way and allow water managers to better understand multiple factors and future uncertainties. This Technical Focus Paper provides for guidelines for elaborating and validating modelling/DSS tools. It is a joint knowledge product of GWP, UNEP-DHI Center, DHI and SIWI.

This paper answers the question of how to prioritize investments in water security. It explores the most important aspects for enabling growth and the most significant investments to increase water security. It also provides guidance on how economic considerations can inform the decisions of policy-makers on the allocation of resources to water management. This is a Technical Background Paper, written by the GWP Technical Committee, a group of internationally recognised professionals in integrated water resources management.

This policy brief explains why it is important to understand the economic value of water security compared to other priorities. It also illustrates how the value of water is determined and describes the different perspectives of States and households. Policy briefs provide policy makers with information on water resources management. They are written by the GWP Technical Committee, a group of internationally recognised professionals in integrated water resources management.

The challenge of accessing water and energy for food production are central to reducing poverty and hunger in Asia. This paper compares and contrasts the ways in which India and China are tackling the same challenge of harnessing water resources under growing water scarcity and competing demand. Technical Focus Papers are publications of the GWP Technical Committee that harness and share knowledge generated by GWP Partnerships.