If a new treaty doesn't come into force by July 2027, and the U.S. and Canada can't agree on another set of interim measures, ...

Caption Princeton geologists Jennifer Kasbohm and Blair Schoene used tiny zircon crystals found in volcanic ash to rewrite the timeline for the eruptions of the Columbia River flood basalts, a ...

Amid the turmoil over the river, the administration also has been threatening and imposing tariffs as high as 25% on some ...

Flood risk management, hydropower generation and salmon runs will suffer if the United States and Canada don’t renew a key provision of the treaty that guides how they manage the Columbia River ...