Inter-American Development Bank, 2015
Rise Up Against Climate Change! A school-centered educational initiative.
Module 5
Have you ever wondered where the water you drink comes from, where it goes after you use it, or how people survive when water is not available or easily accessible?
Water is almost as old as the planet. Despite the fact that the earth looks blue-green from a distance—evidence of its abundant volumes of water—not all of this liquid is available for human consumption. Ninety-seven percent of the earth’s water is salt water, 2 percent of it is frozen, and only 1 percent flows as fresh water under or over ground.
