"Biotech pollution," as critics call it, results when genetically modified plants are mixed with ordinary crops by mistake, carelessness or just the wind. With billions of dollars in crop sales at stake, the issue is becoming a significant one for governments around the world. And it is beginning to pit growers of nonbiotech crops against the big biotech producers, as each side battles to serve their very different markets, the Wall Street journal notes.</p><p><a href="http://www.truthabouttrade.org/article.asp?id=4749">The Wall Street Journal: Biotech-Crop Battle Heats Up as Strains Mix With Others</a>