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31 October 2011
7 billion people
The root of every issue that we collectively term “environmental problems” is human overpopulation. It wouldn’t matter if everyone on Earth drove a Hummer and used incandescent light bulbs and dumped raw sewage in their local watershed — if there were only fifteen people on the Earth. But the reverse is also true: if everyone lives a low-impact lifestyle, it still has an enormous aggregate effect on the planet – …
17 October 2011
Words matter
A table from the article “Communicating the Science of Climate Change,” by Richard C. J. Somerville and Susan Joy Hassol, from the October 2011 issue of Physics Today, page 48: There’s a lot to ponder in this table. It strikes me as an important document – a compilation of one of humanity’s most tragic miscommunications. You can click on it to make it bigger – large enough that you could …
16 October 2011
A graphical dalliance
I read an article in the current issue of Physics Today with interest. It deals with the nature of scientific controversies, as percieved by the public and by specialists in the field in question. The author, Steven Sherwood, compares the origin of the ideas of a heliocentric solar system, general relativity, and human influence on the Earth’s climate. Each of them follows a similar pattern, he argues, with the initial …
10 September 2011
A dismaying course, part II: evolution
Picking up where we left off on Thursday’s post on the relationship between the 2011 Republican presidential hopefuls and science, we examined their statements on climate change. Today, we look at the other information compiled by NPR, their statements on evolution. Michele Bachmann I support intelligent design. What I support is putting all science on the table and then letting students decide. I don’t think it’s a good idea for …
8 September 2011
A dismaying course, part I: climate change
You may have heard that the Republican party has been embracing non-scientific and anti-scientific positions lately. National Public Radio compiled a bunch of quotations reflecting this trend on their website yesterday. I thought I might take a moment here on the blog to critique their statements (both pros and cons), and then reflect on why, in total, the Republican trend towards anti-science strikes me as a dismaying course for my …
17 May 2011
More garbage about impending disasters
Hot on the heels of my discussion of yesterday’s “end is nigh” prophecy, here’s another one, an example that more plausibly wears the cloak of pseudoscience. A cousin sent me a link to this video via Facebook, and asked me what I thought. I sat through it (ten minutes of my life I’ll never get back), and now you can too: [youtube=”http://www.youtube.com/watch?v=_jpMmjvMwvw”] If you don’t have the patience to …
16 May 2011
Five days until… nothing much happens
Outside a metro station in DC a couple of months ago, I noticed a group of people with signs, pamphlets, and earnest expressions. They were advertising the “good news” that the end of the world was soon: May 21, in fact. They’ve been getting some more attention since, and since May 21 is this coming Saturday, I figured it’s about time I wrote it up. According to this particular sect …
25 March 2011
Bulletin board
A few items for your perusal… Simon Winchester wrote an article that made a lot of geologists cringe; then he wrote another that dug the hole deeper. If you haven’t been following the conversation on Twitter, then you can play catch up. Some of us geobloggery types are submitting a letter to the Newsweek editor and one of the authors Winchester cites (while misspelling her name) is writing to the …
15 March 2011
Less U.S. concern for climate change
A new poll by Gallup suggests that the proportion of the U.S. population concerned about climate change has dropped to an almost record low (51% of the “polled population worrying about climate change a great deal/fair amount”). The data are interesting to look at: (source) I thought I detected a little pattern here with the numbers waxing and waning, and so I went to NASA’s GISS dataset for the U.S. …
7 March 2011
Books about atheism
I’ve been reading some books lately about atheism. Though I’ve been a functional atheist for many years, I’ve been paying more attention to it lately in light of religiously-inspired idiocy from around the globe. I’ve become convinced that religious belief does more harm than good, and my sense of incredulity has deepened at how far my fellow humans will go in their own self-deception. So I’ve been doing some reading …
Callan Bentley is Associate Professor of Geology at Piedmont Virginia Community College in Charlottesville, Virginia. He is a Fellow of the Geological Society of America. For his work on this blog, the National Association of Geoscience Teachers recognized him with the James Shea Award. He has also won the Outstanding Faculty Award from the State Council on Higher Education in Virginia, and the Biggs Award for Excellence in Geoscience Teaching from the Geoscience Education Division of the Geological Society of America. In previous years, Callan served as a contributing editor at EARTH magazine, President of the Geological Society of Washington and President the Geo2YC division of NAGT.