What Is Water Scarcity?


Quick Answer

Water scarcity is the lack of adequate water resources needed to supply the demand for water in a region. Water scarcity can be a consequence of poor management of available water resources or the lack of adequate natural water sources.

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Full Answer

Water scarcity can involve water shortage, water stress or water crisis. Water shortages occur due to a change in weather patterns, such as droughts and floods. Water stress is an occurrence where a population does not have access to drinking water and water crisis is an occurrence where there is inadequate drinking water in a region to meet the demand of its populace.

According to the United Nations, there are approximately 1 billion people globally who lack sufficient water for drinking, washing and cooking. A majority of these people live in developing countries.

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