More information: Global River Topology (GRIT): A Bifurcating River Hydrography, Water Resources Research (2025). DOI: 10.1029/2024WR038308 Provided by University of Oxford ...

On top of his global master map, he has zoomed into several specific countries whose rivers radiate into surrounding oceans. He’s created 45 of these regional maps, he estimates.

Yet existing global river maps are outdated and overly simplified, assuming that rivers flow in a single direction and never split. They often overlook complex features, such as when a single ...

Whether vast deserts or tiny island states, each of these countries with no river has found its own way to survive without ...

The Nile in Africa is officially recognized as the world’s longest river, but now a new expedition is heading to South America with the aim of exploring a tributary of the Amazon which may lead ...

A new global analysis finds U.S. states along the Colorado River are under extremely high water stress. The region is grappling with how to reduce water use.

With the Global Declaration for River Dolphins, 14 countries (six of them in Latin America) are expected to join forces to protect the six surviving species of this aquatic mammal that inhabit the ...

Following the historic Global Declaration for River Dolphins that was adopted by 11 Asian and South American range states, a number of organisations, all of which have worked for many years to ...