How Better Nutrition for Children Helps Solve Two of the World’s Biggest Problems
A group of Nobel laureates analyze the cost-effectiveness of solutions to the world's biggest problems By Bjørn Lomborg Posted Monday, May 14, 2012, at 1:53 PM ET
Over the past two weeks, I have challenged Slate readers to decide what priority to give competing ways to help the planet. We looked at 10 topics, from biodiversity to water and sanitation. In total, there were nearly 40 investment proposals, each with a cost and its own set of benefits.