Ultrarunner Mina Guli says she doesn’t actually love running. The Thirst Foundation nonprofit CEO is somewhat of a living contradiction, after running 200 marathons in 2022 across 32 countries to ...

CIÉNEGA DE SANTA CLARA, Mexico — The rusty observation tower at the edge of this wastewater-fed marsh offers an osprey-eye view of two possible futures for the parched and overworked Colorado River.

You might think a mighty river carving the Grand Canyon would easily make its journey to the ocean. The truth is far more ...

In 2014 and 2015, Owen followed the Colorado River, from its headwaters just over the Continental Divide in northern Colorado, to where it winds down as a dry ditch in the Gulf of California at the ...

The Colorado River Indian Tribes of Arizona and California voted this month to give their namesake waterway the same legal rights as a person, saying the ‘living being’ deserves more protection while ...

As I’ve followed the long-running negotiations over the Colorado River the last couple of years, very little progress has been made in transforming the century-old system of managing the river’s ...

Not so long ago, the Colorado River Delta near Yuma was 3,000 square miles of buzzing life, home to great stands of willows, cottonwoods and chattering legions of birds. On its damp floodplains, ...

The UA Science gang presents an informal talk on the future of the Colorado River on at 6 p.m. Tuesday, March 8, at downtown’s Cushing Street Bar. Warning: The water that Tucson depends on is drying ...