Andrew Dessler

Andrew Dessler is an associate professor in the Department of Atmospheric Sciences at Texas A&M University; his research focuses on the physics of climate change, climate feedbacks in particular.

Why you should believe the IPCC, part 134,992,653

The ideological tensions inside the IPCC gives its reports alarming credibility

Over on DotEarth, Andy Revkin has an interesting post about the "burning embers" diagram from the latest IPCC. The upshot of the story is that several countries well-known for their desire to do nothing about …

Looking for validation

The problem with climate-model criticism

I have a paper [PDF] in this week's Science discussing the water vapor feedback. It is a Perspective, meaning that it is a summary of the existing literature rather than new scientific results. In it, …

Attack of the zombies: global cooling!

John Fleck comments on George Will's latest zombie attack: in the 1970s, scientists said the Earth was cooling! What's amazing is not that George Will is selectively quoting to mislead the reader, but that he …

Me, on the interwebs

Online climate chat: Tuesday, Feb. 10, at 12:45 pm CST

This Tuesday (Feb. 10, 2009) I'll be doing an online chat over on Eric Berger's SciGuy website. We'll be talking about climate, climate change, and everything else climate related. It will be at 12:45 pm …

Negative climate feedback is as real as the Easter Bunny

There is no negative feedback in the climate system

The small number of credible skeptics out there (e.g., Spencer, Lindzen) have spent much of the last decade searching for a negative feedback in our climate system. If a sufficiently big one is found, then …

Roy Spencer: Inhofe 650 is bogus!

Marc Morano agrees that only experts in climate feedbacks can make judgments on climate

Tuesday, I received an email from Marc Marano, staffer for Sen. James Inhofe (R-Okla.). Usually, these are vectored straight into my junk folder, but apparently my computer's spam filter has a sense of humor, because …

Huff Po blows it

Skeptic screed on progressive news site recycles familiar myths

This post was co-written with David Roberts. Recently Harold Ambler, climate crank and proprietor of TalkingAboutTheWeather.com, published an essay on Huffington Post replete with gross factual errors about the science of climate change. Word is …

The third degree

Why large future warming is very likely

A friend of mine from college emailed me the other day and expressed some skepticism about the connection between carbon dioxide emissions and global warming. It occurred to me that it would make a good …

What to do on day one

Memo to the president-elect about NASA

Memo To: PEBO From: Andrew Dessler Re: What to do about NASA on your first day in office Two things: Fire Michael Griffin, NASA’s current administrator. He says stupid things about climate change and is …