8/26/2014
Shiva
Amanda Edwards/WireImage

Indian environmentalist Vandana Shiva is leading a crusade against GMO crops -- but where she sees agribusinesses imposing "food totalitarianism," others see a technology that will be vital to feeding the world's growing population in coming decades. "No single crop or approach to farming can possibly feed the world. To prevent billions of people from living in hunger, we will need to use every one of them," writes Michael Specter.

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