![Biologist Don Swann peers toward Tucson from Saguaro National Park -- North. © Kaite Fletcher, 2018](https://arizonasonorannews.com/wp-content/uploads/2018/11/IMG_1897-500x333.jpg)
Climate change and the national park’s saguaro cactuses
Kaitlyn Fletcher
• December 5, 2018
![Tom Orum, right, and Nancy Ferguson, left, stand under a tree near the Visitor Center at Saguaro National Park in Tucson, Ariz. (Photo by: Ava Garcia / Arizona Sonora News)](https://arizonasonorannews.com/wp-content/uploads/2018/02/Tom-Orum-and-Nancy-Ferguson-1-500x375.jpg)
Tucson couple carry out annual saguaro census
Ava Garcia
• February 12, 2018
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