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  1. A “drought” is an extended period of deficient rainfall relative to the statistical multi-year average for a region. But because of the various ways it is measured, an objective drought definition has yet to be produced upon which everyone can agree.
  2. The four types are: meteorological (lack of precipitation), agricultural, (lack of moisture in the soil where crops grow), hydrological (low levels of water in lakes and reservoirs), and socioeconomic (water shortages in drinking and running water).
  3. Only .003% of water on Earth is freshwater available for human consumption. Save water by challenging friends to only use 13 gallons of water in a day. (It’s harder than it sounds!) Sign up for 13 Gallon Challenge.
  4. Meteorologists predict drought based on precipitation patterns, stream flow, and moisture of soil over long periods of time.
  5. In the United States, droughts are most likely to occur in the Midwest and the South.

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  1. In the United States, droughts can have major impact on agriculture, recreation and tourism, water supply, energy production, and transportation.
  2. Nationwide losses from the US drought of 1988 exceeded $40 billion, more than the losses caused by Hurricane Andrew in 1992, the Mississippi River floods of 1993, and the San Francisco earthquake in 1989.
  3. The effects of drought make it difficult to support food crops. A prolonged drought could lead to famine.
  4. In the Horn of Africa, the 1984-1985 drought led to a famine, which killed 750,000 people.
  5. Since the 1970s, the percentage of the Earth's surface affected by drought has doubled. Scientists largely blame global warming.
  6. As the climate heats up, droughts are expected to become more frequent and severe in some locations.

Sources

  • 1

    "Drought: The Creeping Disaster : Feature Articles." Drought: The Creeping Disaster : Feature Articles. http://earthobservatory.nasa.gov/Features/DroughtFacts/ (accessed August 1, 2014).

  • 2

    "Types of Drought." Types of Drought. http://drought.unl.edu/DroughtBasics/TypesofDrought.aspx (accessed July 31, 2014).

  • 3

    "Water - landscapeforlife.org." landscapeforlifeorg. http://landscapeforlife.org/water/ (accessed August 1, 2014).

  • 4

    "National Weather Service Weather Forecast Office." What is meant by the term drought?. http://www.srh.noaa.gov/bmx/?n=kidscorner_drought (accessed August 1, 2014).

  • 5

    "Drought: The Creeping Disaster : Feature Articles." Drought: The Creeping Disaster : Feature Articles. http://earthobservatory.nasa.gov/Features/DroughtFacts/ (accessed August 1, 2014).

  • 6

    Environmental Protection Agency. "Water Resources Impacts & Adaptation." EPA. http://www.epa.gov/climatechange/impacts-adaptation/water.html (accessed August 1, 2014).

  • 7

    "Drought: The Creeping Disaster : Feature Articles." Drought: The Creeping Disaster : Feature Articles. http://earthobservatory.nasa.gov/Features/DroughtFacts/ (accessed August 1, 2014).

  • 8

    "Horn of Africa Famine." UNICEF USA. http://www.unicefusa.org/mission/emergencies/food-crises/horn-africa-famine (accessed August 1, 2014).

  • 9

    "Drought: The Creeping Disaster : Feature Articles." Drought: The Creeping Disaster : Feature Articles. http://earthobservatory.nasa.gov/Features/DroughtFacts/ (accessed August 1, 2014).

  • 10

    "Global Warming and Drought - National Wildlife Federation." Global Warming and Drought - National Wildlife Federation. http://www.nwf.org/Wildlife/Threats-to-Wildlife/Global-Warming/Global-Warming-is-Causing-Extreme-Weather/Drought.aspx (accessed August 1, 2014).

  • 11

    "Effects." Global Climate Change. http://climate.nasa.gov/effects/ (accessed July 30, 2014).

Challenge friends to use only 13 gallons of water in a day.

DO IT