During "Save Our Saguaros" month, local environmental groups are sounding the alarm on a flammable invasive grass that ...

These plants and animals are environmental blights for Arizona. The importance of invasive species mitigation and prevention is the focus of National Invasive Species Awareness Week, an observance ...

PHOENIX – On a warm Wednesday afternoon, one burro with tan fur and large ears wandered the streets and desert surrounding Lake Pleasant with its herd. Many of the wild donkeys roam near the lake ...

When the Bighorn Fire broke out in the Santa Catalina Mountains in 2020, nervous Tucson residents watched the flames move down the mountain a little farther each day, encroaching into the lower desert ...

Worldwide, introduced non-native herbivores have the potential to threaten native ecosystems. For example, in western North America, uncontrolled numbers of feral horses and burros are threatening ...

We have a lot of choices in plants nowadays. Unfortunately, in unique ecosystems like Tucson’s Sonoran Desert, many of the plant choices at nurseries are non-native. This is not ideal for three main ...

Increasingly frequent and severe heat waves in the Southwest are damaging some desert plants known for thriving in harsh conditions. Saguaro cacti and agave have both suffered in sweltering weather ...

Justin Stewart, an ecologist with the Society for the Protection of Underground Networks, collects a sample of soil containing mycorrhizal fungi taken at Saguaro National Park. Credit: Wyatt ...