Colorado River

Lipman Herne / Northern Arizona University

A human-made chemical used to fire rockets into space, power fireworks, and open airbags in car crashes could also be the cause of numerous cases of thyroid disease in Yuma, Arizona.  For the Arizona Science Desk, Maya Springhawk Robnett reports…

Karl M. Flessa / University of Arizona

In 2014, one-hundred-six-thousand acre-feet of water made its way from Morelos Dam near Yuma into the parched Colorado River Delta as part of a joint environmental effort between the U.S. and Mexico. Two years later, researchers say the results are positive. Maya Springhawk Robnett of the Arizona Science Desk reports…


A deal between a coalition of tribes and the Lower Colorado Region of the Bureau of Reclamation aims to address concerns over drought and water levels in the nation’s largest reservoir. The deal is also an economic boost for the tribes.

Karen Schlatter / Sonoran Institute

In 2014, the U.S. and Mexico agreed to release more than one-hundred-thousand acre-feet of Colorado River water from the Morelos Dam near Yuma, Arizona to the Sea of Cortez in Mexico.

It was part of a historic agreement called the Minute 319 Pulse Flow and it may have had some environmentally unfriendly side-effects.

It had been more than two decades since Colorado River water flowed into the Sea of Cortez. The intent of the release was to help restore a parched ecosystem damaged by drought and high demand.

Cocopah Indian Tribe

Somerton-A Native American tribe in southwest Arizona is hoping to attract more visitors to its museum as a way to help share its history and culture.