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

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 ...

Dan Gardner is the coauthor of "How Big Things Get Done," a book that explores why so many big projects, from nuclear power plants to Olympic Games, go disastrously wrong and what the rare successes ...