By George Steinmetz

Could Also Help Drought-Proof Our Food System

Ephemeral explosions of color in the Utah desert

Arid landscape photos highlight man's problematic relationship with the environment

Images of tourists in the ancient, arid landscapes of northwestern China

Conceptual photographer mixes natural and manmade elements to explore humanity's effect on the planet

Project looks to exploit Asian country's enormous renewable energy potential

How our demand for organic produce is depleting aquifers south of the border

British photographer documents her travels through the American southwest