Washington Post: On climate change, curb your enthusiasm. Its not that the recent international conference in Paris didnt take significant steps to check global warming. It did. Nearly 200 countries committed to reduce their greenhouse gas emissions. The goal of limiting warming to 2 degrees Celsius (3.6 degrees Fahrenheit) from preindustrial times was reaffirmed. The trouble is that whats being attempted is so fundamentally difficult that even these measures may be wildly unequal to the task.
Whats being...