Diane Hope

Arizona’s Aubrey Valley just west of Seligman is home to an animal until recently considered one of the most endangered mammals in the world.

Measures of Drought

Dec 4, 2013
University of Arizona Climate Assessment of the Southwest

Drought is a universally understood phenomenon — especially here in the arid Southwest. But what does drought really mean? To help define the term, and the concept, scientists use several commonly used drought indices. Each summarizes thousands of data points on rainfall and other information into a single handy number.

In the latest installment of KNAU's environmental series, Earth Notes, we hear about some of the best practices for preserving ancient rock buildings on the Colorado Plateau.

BigDogGraphics

Forests constitute an important part of the “Carbon World Bank.” The organic matter in their leaves, wood, roots and soil stores a great deal of carbon absorbed from the atmosphere.

Scott Baxter

As we look back over 100 years of Arizona's statehood this year, it would be a serious omission not to consider one of the traditional cornerstones of Arizona's economy - ranching.

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