Model Charged with Excessive Use of Forcing

Guest Post by Willis Eschenbach The GISS Model E is the workhorse of NASA’s climate models. I got interested in the GISSE hindcasts of the 20th century due to an…

The Details Are In The Devil

Guest Post by Willis Eschenbach I love thought experiments. They allow us to understand complex systems that don’t fit into the laboratory. They have been an invaluable tool in the…

An Open Letter to Dr. Subra Suresh

Guest Post by Willis Eschenbach Dear Dr. Suresh: My sincere and heartfelt congratulations on your being appointed Director of the US National Science Foundation (NSF). It is indeed an honor…

Which way to the feedback?

Guest Post by Willis Eschenbach There is an interesting new study by Lauer et al. entitled “The Impact of Global Warming on Marine Boundary Layer Clouds over the Eastern Pacific—A…

Knobs

Guest Post by Willis Eschenbach Andrew Lacis and the good folks at GISS have a new paper, Atmospheric CO2: Principal Control Knob Governing Earth’s Temperature, Andrew A. Lacis, Gavin A.…

Testing … testing … is this model powered up?

Guest Post by Willis Eschenbach Over at Judith Curry’s excellent blog she has a post on how to test the climate models. In response I wrote a bit about some…

Overshoot and Undershoot

Guest Post by Willis Eschenbach Today I thought I’d discuss my research into what is put forward as one of the key pieces of evidence that GCMs (global climate models)…

People Living in Glass Planets

Guest Post by Willis Eschenbach Dr. Judith Curry notes in a posting at her excellent blog Climate Etc. that there are folks out there that claim the poorly named planetary…

Firing Up The Economy, Literally

Guest Post by Willis Eschenbach I’ve spent the last week in the Solomon Islands, which is northeast of Australia. It’s a wonderful place for me to come back to, even…

Constructal GDP

Guest Post by Willis Eschenbach Encouraged by the response to my post on Adrian Bejan and the Constructal Law, which achieved what might be termed unprecedented levels of tepidity, I…

The Constructal Law of Flow Systems

Guest Post by Willis Eschenbach One of the most fundamental and far-reaching discoveries in modern thermodynamics is the Constructal Law (see the wiki entry as well). It was first formulated…

Save the Sunburnt Whales

Guest Post by Willis Eschenbach We should be careful to get out of an experience only the wisdom that is in it — and stop there; lest we be like…

Nature hates straight lines

Guest Post by Willis Eschenbach Yeah, I know Nature doesn’t have human emotions, give me a break. I’m aware it is unscientific and dare I call it atavistic and perhaps…

More Oddities with the IPCC Numbers

Guest Post by Willis Eschenbach A number of people have said Hey, in your previous post, the missing forcing is going into the ocean, so it’s still “in the pipeline”.…

A Strange Problem with the IPCC Numbers

Guest Post by Willis Eschenbach ABSTRACT The IPCC says that the expected change in temperature arising from a change in forcing is equal to the change in forcing times the…

Eight tenths of a degree? Think of the Grandchildren!

Guest Post by Willis Eschenbach James Hansen and others say that we owe it to our Grandchildren to get this climate question right. Hansen says “Grandchildren” with a capital G…

Vegans are not from Vegas

Guest Post by Willis Eschenbach In response to my recent post about whether we could feed more people if everyone were vegetarians (I say no), a poster named Marissa wrote a…

Exonerated? Not.

Guest Post by Willis Eschenbach The official report of the Pennsylvania State University Inquiry Committee into the actions of Dr. Michael Mann is available here. It is the Report of the…

Michael Mann and Donald Kennedy

Guest Post by Willis Eschenbach With Dr. Michael Mann out on the hustings selling his innocence, as I discussed a few days ago, I was pleased when I came across…

Dammed if you do, dammed if you don't

Guest Post by Willis Eschenbach I grew up on a remote cattle ranch in the middle of miles of forest in the northern Sierra Nevada mountains of California. We had…