Doug Siegel is among thousands of volunteers on a mission to “Save Our Saguaros,” one clump of buffelgrass at a time. “The Sonoran Desert is one of the most diverse deserts in the world, and if we ...
Monsoon moisture has turned the desert green, including unwanted weeds, so the National Park Service is attacking the problem from the air. Starting Wednesday, Aug. 4, a helicopter will be used to ...
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