David Nielsen, Research Agronomist, Central Great Plains Research Station, Agricultural Research Service
David Wolfe, Climate Change Leader, Atkinson Center for a Sustainable Future, Professor of Horticulture, Cornell University
Sally Mackenzie, Professor of Plant Science at the Center for Plant Science Innovation, University of Nebraska, Lincoln
Scientists say climate change could increase pests and weeds, lengthen growing seasons and turn dry soil to dust. Farmers are already on the offensive, adopting no-till cropping methods to conserve water and experimenting with different seeds. And scientists are using a technique called gene silencing to develop new crops—without tinkering with the plants' DNA.