Big Problems, Big Solutions Bjørn Lomborg has a group of Nobel laureates working to solve climate change, war, hunger, and more. And he wants to know what you think. By Bjørn Lomborg Posted Thursday, April 26, 2012. COPENHAGEN—This decade has seen remarkable progress against humanity’s greatest challenges. Consider the declaration of victory over polio in India, which seemed impossible 10 years ago. January marked one year since the country’s last reported case. Or look at the strides made against malaria: Over the past decade, the number of cases has been reduced by 17...