The Sand Engine Churns to Bring Sand to the Beach
Video duration: 3:08
As beaches around the world rapidly erode, Marcel Stive of the Delft University of Technology says we need to nourish the coasts by putting sand back on the shore. These beaches are vital to coastal cities, holding back the ocean during storms, he said. He has developed the Sand Engine, a means of restoring sand to the beach with minimal environmental impact.