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Groundwater accounts for 99% freshwater often mismanaged- UNESCO Report

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UN Educational, Scientific and Cultural Organisation (UNESCO) says groundwater which accounts for 99 percent of all running freshwater on Earth is often undervalued, mismanaged, and overexploited.

“Groundwater is a critical natural resource, invisible but indispensable for life on our planet,” UNESCO chief, Ms. Audrey Azoulay said while commending on a new water report.

Azoulay stated this in the Foreword of Making the invisible visible, the latest edition of the UN World Water Development Report (WWDR) published on Monday.

Noting that nearly 50 percent of the world’s urban population depends on underground water sources, she pointed out that “more and more aquifers are being polluted, overexploited, and dried up by humans, sometimes with irreversible consequences.”

At the opening ceremony of the Ninth World Water Forum in Dakar, Senegal, the authors shone a spotlight on the vast potential of groundwater, the need to manage it sustainably, and a call for States to address current and future water crises throughout the globe.

In addition to providing water to drink and for other domestic uses, around 25 percent is essential for irrigating crops.

Moreover, water use is projected to grow by roughly one percent annually over the next 30 years, and dependency on groundwater is expected to rise along with the impact of global warming.

Tapping more sustainably into groundwater is essential to meet the fundamental needs of an ever-increasing global population and to address the global climate and energy crises, the report contends.

“Improving the way we use and manage groundwater is an urgent priority if we are to achieve the Sustainable Development Goals (SDGs) by 2030,” said Gilbert Houngbo, UN-Water Chair and President of the International Fund for Agricultural Development (IFAD), in the report’s forward.”

“Decision-makers must begin to take full account of the vital ways in which groundwater can help ensure the resilience of human life and activities in a future where the climate is becoming increasingly unpredictable.”

The quality of groundwater makes it safe and affordable, without requiring advanced levels of treatment, according to the report.

Moreover, it is often the most cost-effective way to securely supply water to rural villages and could act as an economic growth catalyst by increasing irrigated areas and improving agricultural yields and crop diversity.

In terms of climate change adaptation, aquifer systems can be utilized to improve year-round freshwater availability, as they evaporative substantially less than surface reservoirs.

From collecting data to strengthening environmental regulations and reinforcing human, material, and financial resources, the report offers concrete recommendations to unlock the enormous potential of groundwater.

Acquiring data and information, usually the responsibility of national and local groundwater agencies could be complemented by the private sector, the authors argue.

And as a matter of corporate social responsibility, private companies are highly encouraged to share these data and information with public sector professionals.

Because it is practically irreversible, groundwater pollution must be avoided and its invisible nature makes prosecuting polluters quite challenging.

Preventing contamination requires suitable land use and appropriate environmental regulations, especially across aquifer recharge areas, WWDR stresses, pushing governments, as resource custodians, to ensure that access to and profit from groundwater are distributed equitably.

“Improved knowledge and capacity development are not enough. To protect aquifers, we also need innovation, in terms of technical interventions, institutional and legal reforms, improved financing, and behavioral changes,” the UNESCO chief said.

Groundwater is the focus of World Water Day, which will be marked on Wednesday and in cooperation with UN-Water and UNESCO is organizing a global groundwater summit in December.

UN-Water’s flagship WWDR focuses on a different theme every year and is published by UNESCO on behalf of UN-Water.

Its production is coordinated by the UNESCO World Water Assessment Programme to provide insight into the main trends concerning the state, us,e, and management of freshwater and sanitation.

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