NPR Marketplace: "Yellen calls on international community to mitigate global hunger crisis"

Meanwhile, said Columbia Business School economist Gernot Wagner, many developing countries were “already experiencing droughts because of climate change, and were relying more on grain imports, now suddenly global grain prices are going through the roof.”

Wagner sees one sign of hope in the small decline in global food prices in April. And Prasad says the international community’s focus on the problem might not help right away, but it can’t hurt.