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[2]: 560 Many people in Sub-Saharan Africa are living with economic water scarcity. [4]: 11 There is enough freshwater available globally and averaged over the year to meet demand. As such, water scarcity is caused by a mismatch between when and where people need water, and when and where it is available. [5]
According to UN-Water, by 2025, 1.8 billion people will be living in areas across the globe with complete water scarcity. [5] Populations in developing countries attempt to access potable water from a variety of sources, such as groundwater , aquifers , or surface waters, which can be easily contaminated.
[11]: 560 Many people in Sub-Saharan Africa are living with economic water scarcity. [13]: 11 There is enough freshwater available globally and averaged over the year to meet demand. As such, water scarcity is caused by a mismatch between when and where people need water, and when and where it is available. [14]
Economic water scarcity results from a lack of investment in infrastructure or technology to draw water from rivers, aquifers, or other water sources. It also results from weak human capacity to meet water demand. [46]: 560 Many people in Sub-Saharan Africa are living with economic water scarcity. [48]: 11
Water scarcity poses a threat to ecosystems and biodiversity, primarily through its impact on aquatic habitats, rivers, wetlands, and lakes. [3] Decreased water flows and the drying of water bodies disrupt the delicate balance of ecosystems, affecting a range of species including fish, amphibians, and water-dependent plants, experience habitat loss and fragmentation, affecting their ...
More than 40 million people depend on Lake Mead for water. New satellite images from NASA show just how much Lake Mead has changed over the years, and experts say it’s troubling. NASA image from ...
People in urban areas (2.4 billion) will face water scarcity by 2050. [225] Water scarcity has been described as endemic, due to overconsumption and pollution. [227] The report states that 10% of the world's population lives in countries with high or critical water stress.
The WHO (2006) stated that, in 2004, only 16% of people in sub-Saharan Africa had access to drinking water through a household connection (an indoor tap or a tap in the yard). Even when there is available water in these places, there is poor access to readily accessible drinking water as there are risks of contamination due to several factors.