A screenshot of an online map showing the location of dams in Europe.

Over One Million Barriers on European Rivers

Katarina Samurović

Over one million barriers disrupt Europe's rivers, impacting their flow, ecology, and economies.

Satellite image showing the changing river patterns of the Amazon River. Image: NASA, public domain.

How Rivers Change the Landscape

Elizabeth Borneman

Rivers twist and turn, shaping the environment around them just as the physical geography of the surrounding landscape shapes them.