No 90% of there water is poisonous.
Tsunamis can cause significant amounts of soil erosion. And they do not supply fresh water. They usually contaminate fresh water with seawater.
Bahrain
sometimes
87% of the world's fresh water supply is used in agriculture -- mostly to water crops.
Yes, the poor in Rome had a fresh water supply. There were numerous fountains all over the city where water was free for the taking.
People are major pollutors of Earths fresh water supply.
"The Antarctic Icecap is the largest supply of fresh water, representing nearly 2% of the world's total of fresh and salt water." Source: http://www.infoplease.com/ipa/A0004674.html
The total amount of Earths total water supply that is usable fresh water is less then two percent. The rest is salt water or pond water.
Unlimited supply of fresh water
Evaporation.
canada
Mostly