Ethiopia’s prime minister said Thursday that a controversial power dam on the Nile is now complete, a major milestone for his ...

The Ohio River Basin Alliance (ORBA) and the National Wildlife Federation (NWF) released the report: Healthy Waters, Healthy ...

Researchers from Johannes Gutenberg University Mainz (JGU), the University of Oxford, and the University of Innsbruck have ...

Lava flows, near mile-thick glaciers and ice age floods layered and carved up this landscape.