TARANTO, Italy -- Farmers in a region of Italy once known for cheeses have turned to cultivating a type of cannabis -- not to smoke or sell -- but to decontaminate polluted soil.

The hemp they’re growing contains very little THC -- the compound that makes people high.

Vincenzo Fornaro showed CBS News an empty farm, once packed with more than 600 sheep.

“For generations, our family produced ricotta and meat,” Fornaro recalled.

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Seth Doane ~ CBSNews.com ~