Explore the different types of wetlands—from marshes and swamps to bogs and oxbows. Learn their key features, examples, and ecological roles.| World Rivers
Discover the negative effects of dams on rivers—from blocked fish migrations to sediment loss and vanishing wetlands.| World Rivers
The river valley is one of the most striking landforms on Earth, shaped over time by the relentless erosional power of flowing water.| World Rivers
Discover the mighty rivers of South America—explore their geography, ecology, cultures, and the urgent need for conservation.| World Rivers
Discover the different types of river mouths—from majestic deltas to winding estuaries—and how rivers shape their final journey into the sea.| World Rivers