River deltas are among the most biologically productive ecosystems on Earth, and for millions of years the delta of the Colorado River was no exception. After a 1,450-mile journey from its headwaters ...

University of Arizona scientists Karl Flessa and Ed Glenn and a binational team of scientists will monitor the effects of an engineered spring flood to bring water to the parched Colorado River delta.

Last month, Colorado River water made it one step further in the journey from its headwaters in the Colorado Rockies all the way to the Gulf of California, which it has not done regularly since the ...

Two growing seasons after the engineered spring flood of the Colorado River Delta in 2014, the delta's birds, plants and groundwater continue to benefit, according to the latest monitoring report ...

YUMA, AZ(AZFamily) — A new University of Arizona report is offering a rare bright spot for the drought-strained Colorado River: researchers say small, controlled releases of water into the river’s ...

San Luis Río Colorado, Mexico—Hector Patiño leaned against his shovel, taking a break from weeding. The sun beat down on his straw hat. His three friendly dogs flopped down in the shade. Behind Patiño ...

Kevin G. Wheeler, Jennifer Pitt, Timothy M. Magee and Daniel F. Luecke. “Alternatives for Restoring the Colorado River Delta,” Natural Resources Journal, 47(4): 917-967. Abstract: The ongoing debate ...

LOS ALGODONES, Mexico — Osvel Hinojosa knew that an infusion of water would bring the Colorado River delta back to life. But in just a few days, a U.S.-Mexican experiment to revive the delta ...