作者 | Henry Owen / Eugene Linden / Senior Fellow and Charles Robinson Chair Carol Graham / Senior Fellow & Director of Research Michael E O'Hanlon / Professor James Gustave Speth / Senior Advisor of International Rice Research Institute C Ford Runge / Professor of Applied Economics Benjamin Senauer / Professor Carol Lancaster / Bruce R Scott / David E Sanger / Avinash Persaud / Allen L Hammond, Ph.D. / Gene Sperling / John Birkelund / Jessica Einhorn, PH.D. / M A Thomas |