U.S. News and World Report: All we need to know about the president's speech on climate change is revealed by what's missing: Nowhere did he tell us what effects on future temperatures or climate can be expected from his policy proposals on greenhouse gases (GHG).
So let's do that math. U.S. GHG emissions are about 17 percent of global emissions. If we apply the widely accepted MAGICC climate model developed at the National Center for Atmospheric Research, and if we assume the international Intergovernmental Panel on Climate...