As sand slips away, California beach towns dig in

Some Southern California beaches are losing sand. This threatens coastal towns’ identity, tourism, and infrastructure – and costs millions to replenish.

受海平面上升、厄爾尼諾和人類工程截斷泥沙來源影響，加州南部多處標志性海灘正被侵蝕成碎石海岸，房屋、鐵路和公路受損。各海濱城鎮被迫花費巨資從採石場購沙回填，以維持海岸線和地方經濟。