University of Arizona

SolarReserve

The Navajo Generating Station is slated to close in 2019, and officials are considering several potential buyers to prevent the shutdown. In July, U.S. Interior Secretary Ryan Zinke and Salt River Project officials met with the U.S.-based company NantWorks. They discussed converting the coal-fired plant into a high-powered solar facility incorporating a new energy storage technique using molten salt. To find out exactly what this technology is, KNAU’s Ryan Heinsius spoke with University of Arizona engineering professor Peiwen Li who specializes in renewables.


Melissa Sevigny

Water in the Upper Colorado River Basin has decreased seven percent since the late 1980s. KNAU’s Melissa Sevigny reports on the results of the new study.


Bill Hatcher, Sonoran Institute

Officials in the U.S. and Mexico have signed a binational agreement aimed at staving off water shortage on the Colorado River and restoring the delta ecosystem. KNAU’s Melissa Sevigny reports.


NASA

Astronomers in Arizona and worldwide are running a “planetary defense drill” to practice how to deal with an asteroid impact. It’s the first time they’ve used a real asteroid. KNAU’s Melissa Sevigny reports.

NASA's Goddard Space Flight Center/University of Arizona

A spacecraft guided by Arizona scientists will swing around Earth tomorrow, changing its trajectory to put it on course to study an asteroid next year. KNAU’s Melissa Sevigny reports.


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