The Water Project in Kenya is funding pioneering sand dam construction to help unlock potential through sustainable and community-constructed solutions. Only requiring a seasonal river, the approach has seen 130 sand dams built across the country.

In Romania and Greece, as in all European member countries, the exploitation of sand and gravel from the river beds is carried out based on authorizations issued by the specific river ...

Transboundary river and lake basins are among the sources of fresh water facing this challenge. Previous studies measured blue water scarcity at different spatial and temporal resolutions.

Because of climate change, Egypt's already arid climate will suffer from additional environmental stresses, including extreme temperatures, irregular precipitation, elevated sea levels and land subsidence, coastal flooding, shoreline erosion, deteriorating soil salinity, and persistent drought. These mutually reinforcing impacts will build on one …

Sand dams provide a sustainable solution for water-scarce regions as climate change kicks in. They are easy to build and maintain, and last for decades. They provide water, particularly in arid regions, for people of all income levels – but are particularly beneficial to low-income, disadvantaged s and women. Sand dams also benefit the local …

The Hidden Environmental Toll of Mining the World's Sand. By far the largest mining endeavor globally is digging up sand, mainly for the concrete that goes into buildings. But this little-noticed and largely unregulated activity has serious costs — damaging rivers, wreaking havoc on coastal ecosystems, and even wiping away entire …

The river has slowed down from lack of water, while a 2023 study warned of "large-scale," "unprecedented," and "irreversible" pollution. Many of these problems arise from Egypt's mismanagement of the Nile and its failure to enforce environmental regulations. However, some of the environmental issues are outside the country's ...

Although regional sand shortages are familiar phenomena, "we don't know if there is a global sand scarcity," said Aurora Torres, a report coauthor and Marie Skłodowska-Curie postdoctoral ...

A global sand shortage could cause damaging effects to our rapidly urbanizing world. Bags of sand after Hurricane Florence. Chuck Burton/AP. Sand is becoming more scarce because people are using ...

The river flows from Tibet to India, supplying about 30% of India's water. The project could reduce Brahmaputra's water supply by up to 60%. So we can always imagine how much that will accelerate water scarcity in India.

The work is based on extraction of silica sand from sands of the Padma River and quantification and qualification of extracted silica sand as glass sand. Characterization tests carried out on sand ...

Sand, gravel, and crushed stone are the most mined materials on Earth. Aggregates constitute the foundation for modern civilization and are essential for providing shelter, infrastructure, and communication, but are an increasingly scarce resource. Here, we review the interconnections between the impacts of aggregate mining and the …

Demand for sand has surged in the last two decades, thanks to urbanisation and construction in China, India and other fast-developing countries.

Water scarcity in North Africa and around the world has been exacerbated by rapid population increases associated with multiple factors, including rising income levels and growing urbanization. A …

Globally, extraction of sand and gravel is projected to rise to 82 billion metric tons by 2060. Abundant desert sand, however, is too smooth to use for building materials, so most sand is sourced from quarries. Increasingly, it is also mined from coastal beaches and dredged from fragile river and marine ecosystems, causing harm to …

A sand dam is a reinforced rubble cement wall built across a seasonal sandy river. They are a simple, low cost, low maintenance technology that retains rainwater and recharges groundwater. Sand dams are the most cost-effective method of water conservation in dryland environments.

Water providers throughout the entire Colorado River Basin have raised water rates, or are preparing to, to compensate for increasing costs of infrastructure repairs and water shortages along the ...

Modern society is built on sand, but it's a finite resource. The global demand for it is fuelling a sinister black market organisation: the "sand mafia".

Country Overview. 1.1.1.WATER RESOURCES The River Gambia originates in Fouta Djallon in the mountain region of western Guinea and flows through Senegal before entering the Gambia. Within the country, the River Gambia flows from east to west for about 400km. It is a major waterway and tourist attraction. Its floodplains, riverbanks and …

However, countries like China (13.1%) and Canada (9.42%) import significantly larger quantities of the world's sand imports. Sand's scarcity translates to price appreciation, which makes investing ...

Water scarcity is a pressing issue for over 1.2 billion people who struggle for access to drinkable sources. "It could exacerbate divisions," warns the WEF in its Global Risks Report 2019.

Sand mining-related operations have taken the lives of several people in India. Rampant sand mining has also been linked to coastal erosion, floods, water scarcity, and the destruction of natural habitats. In 2016, the Indian government had published …

As water scarcity deepens in arid and overpopulated regions, there is a need to explore water supply options beyond conventional water resources—snowfall, rainfall, river runoff, and easily accessible groundwater—since they already often fall short of meeting the growing water demands.

ilica sand replacement level for cement was found to be 6% by weight of cement [28]. Scarcity of river sand and causing legal issues for s nd mining leads to explore the possibility of utilizing alternatives for river sand. In that way many researchers are at-tracted by the usage of industrial by products like steel slag, copper slag, foundry ...

The use of M-sand eliminates the global scarcity of river sand, and it prevents associated environmental problems such as indiscriminate sand mining and soil erosion, thereby enhancing and contributing to environmental sustainability.

Sand for building material is a vital but increasingly scarce resource. Demand for sand is projected to increase substantially in the coming decades, particularly in lower-income countries ...

Sand mining has significant impacts on the hydrological and hydrodynamic regimes of river-lake systems. Recently, continuous sand mining has occurred in Poyang Lake, a large floodplain lake connected to the Yangtze River. Previous studies on the impact of sand mining in Poyang Lake focused on water level variations.

Drought and water scarcity constrain the socioeconomic development of many (semi-)arid regions of Southern Africa. Moreover, due to the increase of water withdrawals upstream, the Limpopo River is no longer perennial in Mozambique. Fortunately, its river bed can store significant amounts of freshwater, because of the …

The world is facing a shortage of sand — and climate scientists say it constitutes one of the greatest sustainability challenges of the 21st century.

The least peaceful countries in the world are facing the most severe levels of resource scarcity, the 2020 Ecological Threat Register (ETR) finds.