World Resources Institute: After a year of extreme weather events and recent studies outlining climate changes impacts, its become increasingly clear that we must understand what emissions reduction pathways are necessary to avoid these risks. The Intergovernmental Panel on Climate Changes (IPCC) last Assessment Report, for example, outlined the emissions reductions needed from developed countries to stabilize concentrations of greenhouse gases (GHG) consistent with limiting warming to 2°C. Further research has continued...