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Margaret Mellon , a member of the Union of Concerned Scientists , an independent nonprofit organization dedicated to advancing responsible public policies in areas where science and technology play a critical role, thinks many of biotechnology's means are shortsighted and will, in the end, only add to world hunger. Martina McGloughlin , the associate director of the University of California at Davis Biotechnology Program , believes biotechnology holds the agricultural hope for abundance and quality in the 21st century. Whether it can deliver is another story. There are lots of risks along with the potential benefits and the consistently overblown promises. We need to shape agriculture into a sustainable enterprise that's not dependent on chemical input, and move away from monoculture.