Grist: Genetically modified strains of corn not authorized for sale in China have been showing up in cargoes exported from the U.S., prompting China to reject them.
And we`re not talking about trifling amounts here. In November and December, the country rejected more than 500,000 tons of American corn that had been genetically modified by Syngenta to repel caterpillar pests.
It`s hard to conceptualize that much corn, but it works out to more than a dozen shipments, or nearly a third of the corn shipped...