Newsweek: By 2050, global climate change will have made its mark on nutritional health. New research published March 2 in The Lancet finds that by making food less available, climate change could account for more than 500,000 deaths that year.
The Intergovernmental Panel on Climate Change says climate change already has reduced crop yields. For example, in Brazil corn yields are down 8 percent, and in Russia wheat yield has dropped 14 percent. When crop yield goes down, food prices go up, as do a whole...