This month’s open thread – a day late for obvious reasons… Have at it.
Sherwood Rowland, CFCs, ozone depletion and the public role of scientists
Many of you will have read the obituaries of the Nobel Prize-winning chemist Sherwood Rowland (Nature, BBC) who sadly died over the weekend. DotEarth has a good collection of links to papers, videos and tributes.
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Unforced Variations: March 2012
This month’s open thread – for appetizers we have: William Nordhaus’s extremely impressive debunking in the NY Review of Books of the WSJ 16 letter and public polling on the issue of climate change. Over to you…
Bickmore on the WSJ response
Guest commentary from Barry Bickmore (repost)
The Wall Street Journal posted yet another op-ed by 16 scientists and engineers, which even include a few climate scientists(!!!). Here is the editor’s note to explain the context.
Editor’s Note: The authors of the following letter, listed below, are also the signatories of“No Need to Panic About Global Warming,” an op-ed that appeared in the Journal on January 27. This letter responds to criticisms of the op-ed made by Kevin Trenberth and 37 others in a letter published Feb. 1, and by Robert Byer of the American Physical Society in a letter published Feb. 6.
A relative sent me the article, asking for my thoughts on it. Here’s what I said in response.
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So What’s A Teacher to Do?
Guest Commentary by Eugenie Scott, National Center for Science Education
Imagine you’re a middle-school science teacher, and you get to the section of the course where you’re to talk about climate change. You mention the “C” words, and two students walk out of the class.
Or you mention global warming and a hand shoots up.
“Mrs. Brown! My dad says global warming is a hoax!”
Or you come to school one morning and the principal wants to see you because a parent of one of your students has accused you of political bias because you taught what scientists agree about: that the Earth is getting warmer, and human actions have had an important role in this warming.
Or you pick up the newspaper and see that your state legislature is considering a bill that declares that accepted sciences like global warming (and evolution, of course) are “controversial issues” that require “alternatives” to be taught.
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Unforced Variations: February 2012
This month’s open thread. Current topics are focused on the laughingly bad Daily Mail article by David Rose, the fallout from the Wall Street Journal’s latest regurgitation of why no-one should ever do anything ever. And perhaps someone might want to audit some of David Whitehouse’s arithmetic and reading comprehension…
Or anything else. Within reason.
“Vision Prize”, an online poll of scientists about climate risk
A group of researchers at Carnegie Mellon University is trying to get a better understanding of the views of earth scientists regarding various climate change topics. They have set up an ongoing poll to do this, called Vision Prize. It’s a short (10 question) poll, covering topics like the rate of CO2 increase, predicted future temperatures, sea ice and sea level states, and hurricane frequencies. Early participants can designate a $20 donation from the group to a charity of their choice, upon completion. Please take a few minutes to help them out if qualified.
Unforced variations: Jan 2012
First open thread of 2012, so perhaps some discussion of the highlights and lowlights of 2011 are in order? Top 5 lists welcome…
Climate cynicism at the Santa Fe conference
Guest commentary by Mark Boslough*
The Third Santa Fe Conference on Global and Regional Climate Change was held during Halloween week. It was most notable for the breadth of opinion — and the span of credibility — of its speakers. I have long complained about the lack of willingness of most contrarians to attend and present their arguments at mainstream scientific conferences. After three years of convening climate-related sessions at AGU, I have yet to receive an abstract that argues against anthropogenic global warming. Such presentations can usually only be seen at conferences held by the Heartland Institute. There isn’t much chance of a mainstream scientist attending a meeting organized by a political think tank known for its anti-science activism, so opportunities for interaction between the groups are rare.
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AGU 2011: Day 5 and wrap-up
After 5 days, there is a definite slowdown in energy, desire to ask questions and attendance. But there were still a lot of good talks to be seen. Perhaps most relevant here were a few sessions talking about initial results from the CMIP5 models and the data with which they are being assessed. Overall, most comparisons to the CMIP3 models showed that despite substantial improvements in resolution, completeness, and scope, the CMIP5 models do not show any dramatic differences at the broad-scale diagnostics (global means etc.).
This is not particularly surprising, since it is expected that the importance of the new simulations will be seen in the differences between model types (i.e. including carbon cycles, atmospheric chemistry etc.), or in new kinds of diagnostics from say, the initialized decadal predictions, that weren’t available before.
Looking back at the whole meeting (20,000+ scientists, dozens of simultaneous sessions), it is perhaps worth noting the reasons why such meetings are so important. Obviously, no-one can see everything that is relevant to their research, or talk to everyone they might want to, but there is a lot that can be seen and absorbed much more efficiently than would be possible at home. The social aspect of conferences is also important – beer is an essential lubricant for geophysicists it seems. More important than the sessions are often the chance encounters on the escalators or corridors. Many people get to meet in person who only ever emailed – and this includes other bloggers as well as scientists. We met Eli Rabett, John Cook (Skeptical Science), Zeke Hausfather, Kate @ ClimateSight, Steve Easterbrook, and many others who are only known by their screen names and comments. Many of the scientists whose work has been discussed here recently were also present – Andreas Schmittner, Robert Rohde (of BEST), Jim Hansen, Ben Santer, Roy Spencer, along with many, many first timers whose work will become more prominent. The palpable sense of excitement at the directions the science is taking is very much driven by the bright ideas and new approaches being generated by the younger scientists – including undergraduates and graduate students. And it is the serendipitous encounters with these new voices that are the most unanticipated (and unplanned) benefits of these meetings. This doesn’t happen with Skype unfortunately.
We know that we didn’t see everything we wanted to, so if any other attendees are reading this, we encourage them to point out in the comments any particular highpoints they came across – especially if the talks were part of those broadcast, or if the poster is available on-line.