Hope in Jordan is taking the form of a cucumber in the desert. In the arid southern desert of Wadi Araba, where scorching temperatures and dust devils leave scant signs of life, a team of environmental engineers is working on a solution for countries on the front lines of climate change, facing drought and rising temperatures. The engineers say they are designing a sustainable farm that uses solar power to desalinate seawater to grow crops in regions that have been arid for centuries, then uses the irrigation runoff to afforest barren lands and fend off desertification.

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