A nuanced plan that might actually work, if Obama goes in for it.
Does climate action make a difference if not everyone is on board?
The extreme weather events of 2012 are what we have been warning of for 25 years, but the answer is plain to see.
Negotiators meet for yet another year of slow progress on combating climate change.
World Meteorological Organisation data shows average global temperature to date is 14.45C, higher than long-term average.