The Blackboard

This recent quote from Stefan Rahmstorf appears in Environmental Research Letters:
“The global temperature is rising just as expected. If you look at the trend over the last twenty years or so, of course there is natural variability, around that trend, there are some warmer years like 2001 to 2005 were above the long term [...]

In comments at another blog, there are those who are explaining that nuclear is bad because building nuclear plants requires concrete. Now, I can hardly dispute the fact that building nuclear plants requires concrete. Nor would I dispute that building houses, sidewalks, highways, bridges or any number of other items requires concrete.
However, [...]

Have you ever noticed that discussions explaining how recent negative short term trends are somehow to be expected forget to mention volcanoes? Well, today, I’m going to show you a quote, and two figures. Two figures are required because the quote involves both avoiding mentioning volcanoes when mentioning them matters.
The Quote
The quote I [...]

In comments at Climate Audit Boris (#38) seems to suggest the
A tropical tropospheric hotspot is expected from any warming
Claiming that a response to any warming is a fingerprint of anthropogenic warming is twice as silly.
Well, this is an interesting accusation! Because if we believe claiming the hot spot is a fingerprint is silly, it [...]

Yesterday, Bill Illis alerted me to Gavin’s most recent post saying “Interesting spaghetti-gram posted by Gavin on real climate today.”
It was, indeed and “interesting” spaghetti diagram. The tendentious twaddle surrounding it was even more interesting.
Let’s start with the spaghetti diagram which Gavin introduced thusly:
So just for fun, here is a comparison of the observations [...]

In “Why don’t op-ed’s get fact checked?” Gavin criticizes Debra Saunders’s recent column reporting on October errors in GISSTemp rather severely, writing:
“However, the rest of her column shows none of the same appreciation for basic journalistic standards.”
I guess it’s hardly surprising that Gavin gets a bit grumpy reading about the NASA GISS October GISSTemp [...]