This is a follow up to the 2009 post here:
https://web.archive.org/web/20170524023553/http://freakonomi...
which cites a BBC article stating:
> For the last 11 years we have not observed any increase in global temperatures.
> Professor Easterbrook says: “The PDO cool mode has replaced the warm mode in the Pacific Ocean, virtually assuring us of about 30 years of global cooling.”
Needless to say, the 2009-2039 "cooling cycle" isn't off to a great start.