What if we could transform sand, salt water, sunlight, and carbon dioxide into soil, fresh water, vegetables, trees, biofuel, and electricity? That’s what an ambitious Norwegian-led initiative has been doing in the desert near Doha for the last two …
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Petroleum-rich Qatar has welcomed innovators seeking solutions to the challenges facing desert areas worldwide, from renewable energy to fresh water to food production.
A visit to a shelter for transients in the Mexican border town of Nogales, where would-be migrants prepare for the harrowing trip across the border to the United States.