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

Ethiopia says it has completed building a mega-dam on the Blue Nile that has long been a source of tension with Egypt and ...

California and six other states that use water from the Colorado River are nearing a 2026 deadline to come up with new rules for sharing shrinking supplies.

Competition between China and the United States has long been framed as a contest between two countries with opposite roles ...

How do you rebuild one of the biggest spillways in the world after a catastrophic failure with the next flood season right around the corner?