Diane Hope
Diane Hope, Ph.D., is a former ecologist and environmental scientist turned audio producer, sound recordist and writer. Originally from northern England, she has spent much of the last 25 years in Arizona and has been contributing scripts to Earth Notes for 15 years.
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Three decades ago, the use of cloud seeding to enhance precipitation over the region was tested as part of a large field experiment. -
Quicksand can form in rivers and washes across the Colorado Plateau. Conditions beneath the surface can create unstable ground and potential hazards. -
April in northern Arizona is heralded by the loud metallic wing trills of broad-tailed hummingbirds returning from winter in the Highlands of Mexico and Central America. -
Every spring, thousands of sheep were herded on a three-week trek across northern Arizona, up onto the Colorado Plateau for summer grazing. -
Fremont cottonwoods form a ribbon of green along Arizona’s rivers and streams. They have heart-shaped leaves which turn golden in fall and fluffy, cotton-like seeds. -
Insects don’t fly straight to lights — new research shows they orbit them instead, offering insight into night behavior and how light affects insect populations. -
If you look toward the eastern horizon just before dawn on a clear, moonless night, you should see a ghostly white glow shining up through the dark sky. -
Saguaros face heat, drought and changing monsoons. Researchers say these iconic desert giants manage to endure and thrive. -
The marvels of the Grand Canyon extend beyond its dramatic scenery. Underground, vast cave systems hold clues to the region’s future climate. -
House finches are a familiar sight in northern Arizona, but their path to the West is a story of human introduction and adaptation.
