Nature-based solutions (NBS) use or mimic natural processes to enhance water availability (e.g., soil moisture retention, groundwater recharge), improve water quality (e.g., natural and constructed wetlands, riparian buffer strips), and reduce risks associated with water-related disasters and climate change (e.g., floodplain restoration, green roofs).
The WWDR 2018 demonstrates how nature-based solutions offer a vital means of moving beyond business-as-usual to address many of the world’s water challenges while simultaneously delivering additional benefits vital to all aspects of sustainable development.
Disaster
Governance
Quality
Risk
Use/Reuse
The 2017 edition of the United Nations World Water Development Report
demonstrates how improved wastewater management generates social, environmental
and economic benefits essential for sustainable development.
In particular, the Report seeks to inform decision-makers, government, civil
society and private sector, about the importance of managing wastewater as an
undervalued and sustainable source of water, energy, nutrients and other
recoverable by-products, rather than something to be disposed of or a nuisance
to be ignored. The report’s title reflects the critical role that wastewater is
poised to play in the context of a circular economy, whereby economic
development is balanced with the protection of natural resources and
environmental sustainability, and where a cleaner and more sustainable economy
has a positive effect on the water quality.
Pollution
Quality
Waste
The purpose of this paper is to highlight the important role groundwater has
in meeting the demands for drinking water, agricultural and industrial
activities, and sustaining ecosystems, particularly in the context of adaptation
to and mitigation of the impacts of climate change. This paper outlines several
key recommendations that are particularly relevant for future international
climate negotiations.
Climate change
Groundwater
This report provides guidelines on how to collect sex-disaggregated data and
information relevant to the water-related indicators identified by a specific
Working Group, which was set up for the purpose. The aim is to provide a
methodological framework that is suggestive rather than prescriptive, and can be
used or adapted by a whole range of users.
Gender
This layer shows the percentage of safely treated wastewater that is being used in the Arab region, mostly for irrigation and groundwater recharge. At the Arab regional level, 23% of the safely treated wastewater is being used.
For more information, access the 2017 UN World Water Development Report: http://www.unesco.org/new/en/natural-sciences/environment/water/wwap/wwdr/2017-wastewater-the-untapped-resource/
Quality
Use/Reuse
Waste
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