Climate Central: Within the voluminous report from the U.N. Intergovernmental Panel on Climate Change (IPCC) published on Sept. 27 is a conclusion as sobering as any climate change warning to date.
The world is currently on track to emit enough greenhouse gases by about 2040 to exceed the globally agreed upon temperature target of 3.6°F (commonly referred to in international negotiations as the 2°C target), beyond which the risks of "dangerous' consequences of global warming escalate.
In laying out a global...