Hemp isn’t just for hackin’ the sack at Phish shows or making rope. This amazing plant, a non-psychoactive variety of cannabis grown specifically for industrial purposes, has a vast number of applications for a greener planet.

Can cannabis farming help clean up the land contaminated by Europe’s biggest steel plant?

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.

Environmental cleanup could be as simple as using natural resources, such as Indian mustard seed, sunflowers and hemp.

As marijuana laws continue to loosen across the country -- and the world -- it looks like hemp could be brought back in a big way.