13-12-11 Millions of people across the world live or depend on deltas for their livelihoods. Formed at the lowest part of a river where its water flow slows and spreads into the sea, deltas are sediment-rich, biodiverse areas, a valuable source of seafood, f...

09-09-22 Most of the world's major river deltas are sinking, increasing the flood risk faced by hundreds of millions of people, scientists report. 科学家报导，世界上主要河流的三角洲正在沉没，加剧了数百万人面临的洪水危险。 Damming rivers has slowed the flow o...