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The United Nations World Water Development Report 2015

Volume I - Water for a Sustainable World; Volume II - Facing the Challenges, Case Studies and Indicators

image of The United Nations World Water Development Report 2015

The 2015 edition of the United Nations World Water Development Report (WWDR 2015), titled Water for a Sustainable World, was launched at the official celebration of the World Water Day, on March 20. The WWDR 2015 demonstrates how water resources and services are essential to achieving global sustainability. Taking account of economic growth, social equity and environmental sustainability, the report’s forward-looking narrative describes how major challenges and change factors in the modern world will affect – and can be affected by – water resources, services and related benefits. The report provides a comprehensive overview of major and emerging trends from around the world, with examples of how some of the trend-related challenges have been addressed, their implications for policy-makers, and further actions that can be taken by stakeholders and the international community.

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Energy

A necessity for meeting basic human needs like cooking and heating, access to a secure source of energy is a core component of sustainable development. energy is tightly interlinked with water. nearly all forms of energy require some amount of water as part of their production process. thermal power generation and hydropower, which respectively account for 80% and 15% of global electricity production, generally require large quantities of water. Conversely, energy is required for the collection, treatment and delivery of water. it has been estimated that electricity accounts for 5% to 30% of the total operating cost of water and wastewater utilities (World bank, 2012), but in some countries such as india and bangladesh, it can be as high as 40% (van den berg and danilenko, 2011).

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