Breaking the Ice
Water. H2O. You know how important it is but what you might not realize is how scarce it really is. Notice the three blue spheres in this image. The large sphere on the left represents the volume of all of the world’s water. The smaller ball to the right represents the volume of the total fresh water on the planet. Now, can you see that really small blue dot below that? That tiny spec represents the total volume of fresh water that is readily available for the entire world. Approximately 56 km (35 miles) across, this tiny sphere represents all of the clean, usable water on the planet.
That’s not a lot of water.