Why do we need to study this field?

• what percent of the water on earth is good enough to drink?

  • 97% salt water
  • 3%freshwater
  • 2.06% ice gaps and glaciers
  • 0.90% groundwater
  • 0.03% other sources
  • 0.009% surface water
  • 0.03% water to drink
• water scarcity in the world

  • in 2019, more than 1 billion people still wake up each morning without access to clean water
• water scarcity in the philippines

  • out of 105 million filipinos, 7 million people lack access to safe water
  • 24 million people lack access to improved sanitation
  • in march 2019, metro manila experienced water shortage