Seawater and solar power grow crops in the desert

CNN: In the scorching desert of Qatar, scientists are showing that saltwater can be used to help grow crops. A one hectare research initiative known as the Sahara Forest Project -- modest in size, but not in ambition -- has produced a harvest of barley, cucumbers and arugula in the last few months using a mix of ingredients not usually associated with successful agriculture: seawater and Qatar's ample supply of heat. Conceived in Norway, the first-ever Sahara Forest Project facility launched last......

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