Government concerns over the habitat of an endangered Mojave Desert squirrel threaten to scrap plans for Berkeley-based <a href="http://sanfrancisco.bizjournals.com ...

Yet more than one billion people, one-sixth of the Earth's population, actually live in desert regions. Deserts cover more than one-fifth of the Earth's land area, and they are found on every ...

In 2017, a wildfire raged across a drought-sick mountain in Southern Arizona and nearly wiped out a subspecies of red squirrel found nowhere else on the planet. In the aftermath of the Frye Fire — ...

The endangered Mount Graham red squirrel population has stabilized at around 232 individuals, even during a persistent drought in the Sky Islands. Conservation efforts have helped the species recover ...