By Barbara Kessler
Green Right Now

Corn-based ethanol, once a star on the alternative energy scene, has fallen from favor in the past year, battered by reports that raising corn for fuel raids the world’s pantry and that corn ethanol has a heavier carbon footprint than originally thought.

Many now argue over whether the US should continue to grow corn for fuel or make the switch to grasses that can be grown on less desirable land, with fewer pesticides and fertilizers, or use plant waste to make fuel.

Now a new debate looms: Should the US allow genetically altered corn to be grown for use as biofuel?

The Union of Concerned Scientists wants to stop that genie before it leaves the bottle, because it believes that genetically modified corn will inevitably mix with and contaminate corn grown for food products.

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