River deltas are landforms created at river mouths. They occur where rivers meet larger bodies of water. Sediments accumulate, forming rich ecosystems. Deltas support diverse flora and fauna. They are vital for agriculture and fishing. Many deltas, like the Ganges-Brahmaputra, have cultural significance. They are often densely populated regions. Deltas also face environmental challenges, including erosion and climate change impacts.
India’s major river deltas — among the most fertile, densely populated, and economically productive regions — are steadily sinking. A new global study shows that this subsidence is...
