The U.S. has paused negotiations with Canada on a keystone management plan that governs flood control, water supply and ...

The nations were trying to finalize updates to the 61-year-old Columbia River Treaty governing shared, cross-border water and ...

California, Arizona and Nevada are urging the Trump administration to change course on the Colorado River. The states are ...

This story is part of the Forty for Forty Project: 40 outings in 40 weeks to celebrate the 40th anniversary of the.

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