Seeing the north coast of Peru for the first time, you would be hard-pressed to believe it's one of the driest deserts in the ...

Ancient practices hold important lessons for farmers facing drying lands, but they were often more complex than modern societies realize. Glacier loss adds to the challenge today.

Parts of the region receive less than an inch of rain in an entire year. Yet, water and greenery are everywhere. This is the nation’s agro-industrial heartland, and, thanks to irrigation canals, ...