Category

Research

The Social Cost of Carbon

By | Climate Change, Environment, History, Language, Media, Politics, Religion, Research | 51 Comments

I was going to write about Earth Hour once more, and for the last time, when I realised that it seemed to have passed its use-by date, for it seemed to have been almost unnoticed. There was no sign of it in Hobart, where I was on the hallowed night, and I couldn’t find out much about its effects in Canberra, where I have been for past Earth Hours. Earth Day passed too, without much fuss. So I have gone on to a subject I have been playing with for some years now, which is caught up in the phrase, ‘the Social…

Read More

The March for Science

By | ABC, Climate Change, Education, History, Media, Politics, Religion, Research | 119 Comments

I am writing this essay on the day of the March, which will happen in Washington DC and apparently 500 other cities, including several in Australia, where the March is happening as I write. What is it about? There is apparently a ‘war on science’, though who is conducting it is not clear. From its US website you can get this mission statement. The March for Science champions robustly funded and publicly communicated science as a pillar of human freedom and prosperity. We unite as a diverse, nonpartisan group to call for science that upholds the common good and for political leaders…

Read More

April Off-Topic Thread

By | ABC, Climate Change, Environment, History, Media, Politics, Religion, Research | 105 Comments

Gary C says: April 2, 2017 at 8:48 pm (Edit) Don Two articles from 2016 supporting models: “Comparing models to the satellite datasets” : http://www.realclimate.org/index.php/archives/2016/05/comparing-models -to-the-satellite-datasets/ “Models” : Models Reply Don Aitkin says: April 2, 2017 at 9:23 pm (Edit) Gary, you get the honour of having the first comment in the new Off-Topic Thread. I’ll comment there.

Read More

What is it that worries me about what the BoM and CSIRO tell us about climate change?

By | ABC, Climate Change, Environment, History, Media, Politics, Religion, Research | 262 Comments

Commenter Chris asked me, in a comment at my last essay, what are your concerns over BoM reporting or data use? I had intended to write about something else, but it seemed sensible to deal with this issue at once. I have written about the Bureau before (here, for example, and here), but to this direct question there is a straightforward reply. I’ll deal first with the more general issue of BoM (Bureau of Meteorology) reporting, and note first that it is directly linked, as anyone who reads the website will see, with CSIRO’s biennnial reports on the State of Climate. So my response to Chris covers both…

Read More

A final thought on 2016 Australian warming

By | ABC, Climate Change, Environment, History, Media, Politics, Religion, Research | 232 Comments

In an earlier essay this year, I used the useful maps prepared by Professor Ole Humlum of www.climate4you to ponder about how hot it actually was in Australia last year. I did so because of claims that the year was the hottest ever, as it was said to be for the world. When I wrote the piece I did not have access to the summary for the whole year, but I now have it, and it is displayed below. These data are from the Goddard Institute of Space Studies, which is part of NASA, and they show the relative change between…

Read More

In terms of temperature, what sort of a year did we have in Australia?

By | ABC, Climate Change, Environment, History, Media, Politics, Religion, Research | 480 Comments

For the past decade or so, each January has produced a news headline about whether or not this year has been the hottest ever. It seems to be agreed that 2016 was the hottest ever, but with a statistically insignificant increase over 2015, and only a tiny bit above 1998. In 2015, 2016 and 1998 the spike was due to an el Nino, which subsided quickly. As I have argued before, there is no human being who has ever experienced a global average temperature, unless coincidentally, and for a moment or two. What we want to know is what our own environment…

Read More

Truthiness and factiness

By | ABC, Climate Change, Education, Environment, History, Media, Politics, Religion, Research | 278 Comments

Both of these terms were coined by an American satirist, Stephen Colbert, more than ten years ago. With respect to ‘truthiness’, he said We’re not talking about truth. ‘We’re talking about something that seems like truth — the truth we want to exist’. He thought that the ‘word police’ would object that ’truthiness’ was not a word, but in fact the next year Merriam-Webster pronounced ‘truthiness’ as its word of the year. I’ll leave ‘factiness’ for a moment. What did Colbert mean by truthiness? In an interview with The Onion he expanded on its meaning in this way: It used…

Read More

Is the tide turning?

By | Climate Change, Environment, Media, Other, Politics, Religion, Research | 261 Comments

Even before the election of Donald Trump I had begun to think that there seemed within the body politic to be a move away from the notion that some kind of catastrophic doom faced humanity unless we kept carbon dioxide concentrations to 350 ppm/reduced greenhouse gas emissions/stopped mining coal/all bought electric cars, and the like. Now that President-elect Trump has set out some of what he proposes to do in the ‘climate change’ area, it seems that even in the mainstream media statements are being made that would have been unlikely before that Tuesday in November. What has drawn my…

Read More

Two more books, on an important union, and on climate change

By | Books, Climate Change, Economy, Environment, History, Language, Media, Politics, Religion, Research | 89 Comments

This essay is a discussion about two books, widely different in their story. Each was given to me by its author, a friend. They are both excellent accounts, and I recommend them to readers. The first, by Dr John O’Brien, is about a trade union, the National Tertiary Education Union (NTEU). O’Brien is an academic who was also an office-bearer in the NTEU. The second is about climate change, and was written by a geologist, Dr Howard Brady, who has some distinctions which flowed from his work, notably about the past climate history of Antarctica. O’Brien’s book, National Tertiary Education Union. A Most…

Read More

The real war on science

By | Books, Education, Environment, Health, History, Language, Media, Politics, Research, Society | 145 Comments

A post in Judith Curry’s Climate etc pushed me to read a long essay from the City Journal Magazine by John Tierney. I hadn’t heard of either of them. The magazine is published by a right-wing think tank in New York, and focuses mostly on urban issues. John Tierney, according to Wikipedia, is a ‘contrarian’, which I see as a dismissive term. Forewarned, I went off to read the piece, and I think it is insightful. But then, I would probably be called a ‘contrarian’ too, by those who don’t like what I write, and believe they have the truth in them…

Read More