5.7A Water stress

• Water stress = below 1,700m3 per person
• Water scarcity = below 1000m3 per person
• water stress and scarcity

  
• economic water scarcity = when there is water available but the infrastructure is not available to access the water

  -> About 1.6 billion people face economic water scarcity
• Physical scarcity = occurs when there is greater demand for water than there is supply

  -> estimated four billion people face severe water scarcity for at least one month a year
• • It is estimated by the UN that by 2025 over 65% of the world's population could be living with water stress
  • The World Economic Forum rates water crises as one of the greatest global threats
  • An estimated 30% of groundwater systems are being depleted