Of course, higher corn and grain prices produce ag losers, too, as feed costs climb.

FORBES: How To Make Money Off The Drought: Fertilizers And Food

"Europe has enough grain to produce both its food and fuel needs, " he added.

BBC: EU acts against harm from biofuel crops

When that tree is sawn into boards, those growth rings produce grain and figure that's straight, consistent and predictable.

NPR: Excerpt: 'A Splintered History Of Wood'

Wavy, ribbon and curly grain are byproducts of spiral grain that reverses itself periodically as a tree grows to produce a thing called interlocked grain.

NPR: Excerpt: 'A Splintered History Of Wood'

The problem: It takes so much grain and other resources to produce meat, he says.

CNN: As children starve, world struggles for solution

Thus far the star of this new science has been ethanol, a car fuel made from corn, but around the world chemical, grain and biotech companies are working to produce auto paint, cosmetics, even apparel fiber from renewable resources.

FORBES: Magazine Article