Solar-powered plane to fly to Moroccan desert

The Swiss sun-powered plane Solar Impulse is preparing to take off Wednesday from Rabat to southern Morocco's desert region in its first, and potentially dangerous, flight in a hot and arid climate.

Study highlights best practices in buffelgrass control

Buffelgrass is a highly invasive perennial found in arid regions around the globe. It is known to reduce the biodiversity of native ecosystems and to increase the frequency and intensity of wildfires.

Winds of change bring winter rain to eastern Arabia

Warmer waters in the central tropical Pacific in recent decades have led to shifts in atmospheric wind jets, bringing more winter rainfall to the eastern Arabian Peninsula and less to the south.

Parsing routes to aquifer recharge along mountain fronts

In many semiarid and arid regions around the world, groundwater drawn from basin-fill aquifers sustains local agriculture and large cities. Such aquifers are typically replenished by high-elevation precipitation and snowmelt ...

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