Global changes in 2050 may come more quickly and urgently and expand exponentially. That's the assessment of Scott Aughenbaugh, fellow, Seven Revolutions Project at the Center for Strategic and International Studies, Washington, D.C. Agriculture couldplay a pivotal role within what he calls the seven drivers of change, he says. "In the 2030s and beyond, there are legitimate concerns about whether or not we can produce enough food," he says.
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