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  2. Water scarcity - Wikipedia

    en.wikipedia.org/wiki/Water_scarcity

    There are two types of water scarcity. One is physical water scarcity and the other is economic water scarcity. [2]: 560 Some definitions of water scarcity look at environmental water requirements. This approach varies from one organization to another. [15]: 4 Global water consumption 1900–2025, by region, in billions m 3 per year

  3. Water politics - Wikipedia

    en.wikipedia.org/wiki/Water_politics

    As the availability of water decreases daily, the demand for policies and agreements to address water allocation and sharing increases. Bilateral and multilateral agreements are most important for third world countries since water is a scarce resource, and they will be the first to face water shortages. [100]

  4. Water issues in developing countries - Wikipedia

    en.wikipedia.org/wiki/Water_issues_in_developing...

    There are two types of water scarcity. One is physical. The other is economic water scarcity. [8]: 560 Physical water scarcity is where there is not enough water to meet all demands. This includes water needed for ecosystems to function. Regions with a desert climate often face physical water scarcity. [9]

  5. List of countries by total renewable water resources - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_total...

    Out of all the water on Earth, saline water in oceans, seas and saline groundwater make up about 97% of it. Only 2.5–2.75% is fresh water, including 1.75–2% frozen in glaciers, ice and snow, 0.5–0.75% as fresh groundwater and soil moisture, and less than 0.01% of it as surface water in lakes, swamps and rivers.

  6. Water conservation - Wikipedia

    en.wikipedia.org/wiki/Water_conservation

    Some researchers have suggested that water conservation efforts should be primarily directed at farmers, in light of the fact that crop irrigation accounts for 70% of the world's fresh water use. [21] The agricultural sector of most countries is important both economically and politically, and water subsidies are common.

  7. Water security - Wikipedia

    en.wikipedia.org/wiki/Water_security

    [8]: 558 On water scarcity which is one factor in water insecurity the report finds 1.5-2.5 billion people live water scarce areas. [10]: 660 Water scarcity and water security are not always equal. There are regions with high water security even though they also experience water scarcity.

  8. Water conflict - Wikipedia

    en.wikipedia.org/wiki/Water_conflict

    International competition over water can arise when one country starts drawing more water from a shared water source. [44] This is often the most efficient route to getting needed water, but in the long term can cause conflict if water is overdrafted. More than 50 countries on five continents are said to be at risk of conflict over water. [45]

  9. List of countries by access to clean water - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    An improved water source, as defined by the World Health Organization (WHO), refers to a drinking water source that provides adequate and safe water for human consumption. Examples of improved water sources include piped water connections, protected wells, boreholes with hand pumps, packaged or delivered water and rainwater collection systems ...