That the world is running out of beach sand. Erosion is stripping all the sand from the shores into the ocean, and desert sand is too fine to replace it. It’s so bad that many countries have a sand black market.
Edit: Black Market is of River and Beach sand to build artificial land and replenish beach sand.
so true. I'm 35, lived in 4 countries and I feel like none of them are my "home". They are just places I spent time in