There are only eleven designated national scenic trails in the United States. Our Grand Canyon State has one of them—the Arizona National Scenic Trail! In this discussion, participants will have opportunities to: explore the history of the creation of Arizona’s greatest volunteer project; enhance their knowledge of Arizona’s diverse geography, animals, plants, and especially people—from […]

There are only eleven designated national scenic trails in the United States. Our Grand Canyon State has one of them—the Arizona National Scenic Trail! In this discussion, participants will have opportunities to: explore the history of the creation of Arizona’s greatest volunteer project; enhance their knowledge of Arizona’s diverse geography, animals, plants, and especially people—from […]

This presentation covers humankind’s water use and food supply interactions with Arizona’s ecology from Clovis culture hunter-gatherers to prehistoric irrigation canals, contemporary Hopi and Tohono O’odham dry farming, and present-day American farmers. We will examine how overhunting and climate change affected the wooly mammoth populations and the agriculture experiments that followed. From early attempts to […]

There’s nothing like standing under a dark, star-spangled night sky to quiet the mind and reduce stress, share an experience of awe with family and friends, and to inspire creative thoughts. Yet such dark skies are a disappearing resource, with only 20% of the world living in a place where the center of our Milky […]

For many of us, the American Southwest is distinctive because of its landscape, culture, and history. We see, for instance, its mountains, deserts, and canyons. We are aware of its diverse cultures. And we have some understanding of the Indigenous, Mexican, and U.S. histories that have brought us to the present moment. But a careful […]

Farming has always been the way of life for the Tohono O’odham community in San Xavier, located just south of Tucson. Their way of life depended on access to the land and to the water, namely the Santa Cruz River, which nourished agriculture in the area for generations. But a history of division sown through […]