What’s a grain of sand really worth? You might think “not much,” until you consider the fact that sand is the second most-consumed natural resource in the world behind water. To underscore the importance of sand as a natural resource, consider the following facts. In Kenya, arsonists set several houses on fire. The occupants run to the hills. Then the arsonists start scooping the sand. This is just another day in one of Africa’s impoverished countryside. In September 2019, an