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What is gray water, and can it solve the global water crisis?

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  • "What is Gray Water?" Arizona Department of Environmental Quality.
  • "100 Water Saving Tips." Water Use It Wisely.
  • "Tips for Reusing Graywater."
  • "Filter Assembly for Gravity-Assisted Air Conditioner Discharge Water Saver Systems." Free Patents Online. April 12, 2005.
  • "How Much Graywater Do I Produce?" Innovative Water Solutions.
  • "Conserving Water At Home." University of Georgia.
  • "Outdoor Water Use in the United States." U.S. Environmental Protection Agency. October 26, 2007.
  • "Projections of the Number of Households and Families in the United States: 1995 to 2010." U.S. Census Bureau. April 1996.
  • "Reused Water, Plumbing Tips Help Trim Consumption." WRAL. August 24, 2007.
  • Barker, Allen V. and English, Jean M. "Recycling Gray Water for Home Gardens." University of Massachusetts. gray_water_for_gardens.html