Showing posts with label Global Climate Change. Show all posts
Showing posts with label Global Climate Change. Show all posts

Wednesday, June 24, 2009

The Cap and Trade Sleight of Hand


If it's Wednesday, then the issue is Health Care. Right?
And it is. ABC is doing an infomercial for Barack Obama and the Dems health care initiative.

And this is a major problem. Last night the Engineering Geek and I were at the Independence Grill making signs with New Mexicans for Liberty for the protest that will take place outside of our local ABC TV affiliate--KOAT. This will take place on the corner of Commanche and Carlisle in Albuquerque for you locals. They will gather (I have to work, but the EG will be there) at 6 PM and you can stay as long as you want.


I must say that the Engineering Geek gets pretty creative with his signs. I made one that said:
"If you liked Pravda, you'll love ABC!" The EG looked at it and got out a red sharpie and made the letter 'C' in ABC into a hammer and cycle, Soviet style. (Yes, I know, anyone born after about 1985 is unlikely to even remember the Soviet Union).
His own sign says: ABC: In bed with the Feds!


But I digress. The socialized medicine initiative is big, it is important, and it is NOT being voted on this week. What is?

Cap and Trade.

David Copperfield, move over! Obama is a master of misdirection. While he is getting the patriot organizations all geared up about healthcare, he and the Dems are hoping to get Cap and Trade passed in the House on Friday with minimal fuss. Thus the summer, Friday schedule.


Cap and Trade is a way to commit fiscal suicide, causing great increases in energy prices that will hurt everyone throughout the economy, but will have minimal effect on global temperature. (I have posted my thoughts on the issue of Global Climate change here and here. I do not agree with Al Gore on this issue. The science is not at all settled, nor does it dictate specific political action). The Heritage Foundation analysts say this about Cap and Trade:

" Though the proposed legislation would have little impact on world temperatures, it is a massive energy tax in disguise that promises job losses, income cuts, and a sharp left turn toward big government.
Ultimately, this bill would result in government-set caps on energy use that damage the economy and hobble growth--the very growth that supports investment and innovation. Analysis of the economic impact of Waxman-Markey projects that by 2035 the bill would:

--Reduce aggregate gross domestic product (GDP) by $9.4 trillion;
--Destroy 1,145,000 jobs on average, with peak years seeing unemployment rise by over 2,479,000 jobs;
--Raise electricity rates 90 percent after adjusting for inflation;
--Raise inflation-adjusted gasoline prices by 58 percent;
--Raise residential natural gas prices by 55 percent;
--Raise an average family's annual energy bill by $1,241; and
--Result in an increase of $28,728 in additional federal debt per person, again after adjusting for inflation."



For more information, follow the link above. The real purpose of this bill is to provide the federal government with more revenue, although this is short-sighted. With whole industries destroyed and double-digit unemployment, who will have the money to pay more taxes?
Congress--to put it bluntly--doesn't understand that money represents productivity and wealth. They think it's magic.


In any case, the sponsors are very unlikely to bring the bill to the floor for a vote if they think there is substantial opposition. Thus, few are talking about it.


Call your nonrepresenting representatives. Make sure they know that there is opposition out there. Let them know that you are watching both hands.
Pay great attention to the man behind the curtain.
Don't let them pass another unread bill in the middle of the night!




Hat Tap: The Gates of Vienna.

Monday, May 5, 2008

It's a Political Neologism: The Problem with "Consensus" Science

I have been thinking about writing this entry for at least a month.
And I have shied away from it because of the flaming I will probably receive
from the BSer ideologues of the blogosphere, but I remembered this little quote:

"He said: 'G-d hates a coward.'
'So you came because you didn't want to lose a bet?'
"No. I would never bet on a lady. I just figured that he was right.'"
(This may be slightly paraphrased. I read the book in fourth grade. Many HSers will know which book).

My other excuses are gone: I have finished three papers, an exam, and an NIH draft proposal.
And even though I am in training for my summer job, and that is quite extensive, it does not take the same intellectual energy that writing closely argued papers about big ideas does.

I want to start with a story.

At the beginning of the last century, a geologist in Germany called Alfred Wegener went for a walk on a spring day and got caught up watching the ice break up on the river. As he did so, he was thinking about the interesting fact that similar fossils from similar strata were found on different continents. The ice breaking up in the river was one of those "aha" moments, and he said something akin to "Eureka! I have found Pangea!" (My apologies to Archemedes). He wrote extensively about his idea of Continental Drift and he even developed a mechanism for it--that centrifugal force caused the continents to drift about the planet. But that mechanism was not very plausible, and he was ridiculed severely by his fellow geologists. Wegener did not live to see the modern scientific revolution in the Earth Sciences resulting in the paradigm of Plate Tectonics.

Were Wegener's colleagues defenders of "consensus" science? This idea has been recently bandied about by those who have a bone to pick with Global Climate Change (often inaccurately called "global warming").

The answer is no. Although the ridiculing of Wegener was over the top,
inpolite, and generally shows that many scientists lack the social graces, a characteristic they share with the rest of humanity,
this has nothing to do with why his idea was rejected back at the beginning of the 20th century. His idea was rejected because, although he had a good deal of circumstantial evidence (fossils of ferns in Antarctica, the shape of South America and Africa), he could demonstrate no plausible mechanism for his theory. It was not exactly a crack-pot idea--it had possibilities--but it was also not scientifically defendable at the time. It was not until the International Geophysical Year of 1956 brought about a decade of accumulating evidence that the old paradigm (geosynclinal) could not explain, that a good mechanism for continental drift was found, and the theory of Plate Tectonics was born.

Scientists do not generally speak in terms of "consensus" in their fields.
This is not because there is none--most working scientists do work under the dominant paradigm in their fields (such as evolutionary theory in biology)--but because scientific questions are not decided by consensus. They are decided by evidence that supports a theory or not.

Scientific paradigms do not change just because a bunch of scientists get together in smoke filled rooms and decide that they are tired of the old paradigm and they'd like to trade it in for a new one, like an old-model car. A paradigm shift is not brought about by a vote or political pressure by concerned citizens. It is not created because someone goes on a fishing expedition to disprove an unpopular idea. Neither is one caused by a few crusaders for scientific truth battling it out with the forces of complacency and the need to get NSF grants and media coverage.

Scientific paradigms shift because of the accumulation of evidence by many people working in the field, (most of whom are not out to create a scientific revolution), evidence that does not support the current theory. Consensus, for good or ill, has nothing to do with it. Science does not work that way. And contrary to popular belief, the inception of a new paradigm does not automatically cast the old one into the outer darkness of scientific untruth. Bohr and Einstein (Quantum Mechanics) did not, for example, overturn Newton (Classical Mechanics). Newton's laws are still with us and they still work. Don't go to Mars without them!

Consensus is a social phenomenon and a political term.
It is about getting together and hammering out a deal that everyone in an argument can agree to, even if they don't like all of the parts of it.
One cannot hammer out a deal about gravity, or the duel nature of light (particle and wave), or the role of the electron in chemical reactions. One cannot vote the theory of evolution up or down.
Consensus is simply not a scientific term.

So when I see the term 'consensus science' bandied about in the press, among pols, and in common parlance, I know that the discussion is not a scientific one.
I know the discussion has become political.

Take Global Climate Change (GCC)--please! (Sorry. I just had to do that. It's in my genes ;).
There is little question that the earth's climate has changed over the 4.6 billion years of its existence. It is not surprising that climate has continued changing even though humanity has built civilization over the past 10,000 years. (Oh the temerity of nature! Oh, the duplicity of nature's God! How dare this happen just now, when the Boomers are in charge)!

Scientific questions about GCC center on how it is changing, what modeling procedures give the best predictions for future change, what forces intensify or mitigate the change, how the change will affect weather in different localities and so forth. All of these questions involve factors of great complexity and are hotly debated, and rightly so. The scientific controversy is over the evidence and what it tells us.
There should be no premature closure on questions like these because "four out of five scientists say so." Science is not done by taking polls.

The politics of GCC is, as we used to say in the midwest, "a whole 'nother animal."
Questions of a political nature about GCC are, for example, what (if anything) should we do about GCC, can and should we try to alter its course (to which I say sardonically, "Good luck!"), who should be blamed, and how can GCC be "spun" in order to fit a favorite political ideology.

Science does not work by consensus.
When you see the term "consensus science" used,
your gut should be telling you that the discussion has gone political.
Whether it is used to promote Carbon Credits, or demand equal time for Intelligent Design,
matters not. The right, the left, the rigid and the looney, are all equally guilty of hijacking the term "science" to promote their own political ends.

Science is a method of discovering how the physical world works through the use of physical evidence. It cannot tell us what to believe about supernatural beings, nor can it tell us the best way to deal with the current price of oil.

Consensus science?
Science is science.
The arguments about consensus a la Al Gore and Ben Stein are political.

Monday, January 21, 2008

It's Always the End of the World As We Know It: A Review of The Little Ice Age

Today is the last day of the winter term break at UNM, and tomorrow I begin the spring term studies. My time to read what I want will become more limited as my spring semester studies begin in earnest by the end of this week. So over the weekend just past, I completed a book I had begun shortly after the secular new year.

Tomorrow is also Tu B'Shevat, the Jewish New Year of Trees, which is the Jewish Arbor Day, and has become a time to consider our dependence on Earth's ecology. It is therefore doubly fitting that I finished reading Brian Fagan's The Little Ice Age: How Climate Made History 1300-1850. (Basic Books, New York, 2000) just this morning.

In honor of Tu B'Shevat, then, as well as a commemoration of 5 weeks in which I got a lot of miscellaneous reading done, I thought I'd discuss this book today on my blog.

I first heard about a climatic event called 'the little ice age' when I was working on a BS in Geology in Illinois in the early '80's. It was discussed briefly in the Historical Geology course I was taking, as well as later, in an Astronomy class that I took for fun. I knew it as a period of colder climate that affected primarily the northern hemisphere during the early modern period, that it was preceded by the Medieval Warm Period and followed by the Modern Warm Period, in which the earth's average temperature once again is stable, high and climbing. There was some speculation at the time that changes in ocean currents in the north Atlantic Ocean may have been a cause of the colder period that followed the Medieval Warm Period. Later, when I was studying Paleoclimatology under Dr. Roger Andersen at UNM, I heard more about how changes in water salinity in the north Atlantic could have stopped the warm Gulf Stream from crossing east south of Greenland, thus affecting the climate of Europe during the little ice age. So when I saw Fagan's book toward the bottom of the stack on weather at our little East Mountain Branch library, I thought I might find out more about this interesting period in European and Earth history.

I read the preface at the library, while waiting for N. to finish his selections. I tend to do this in order to decide which books that I have taken off the shelves are really worth checking out and lugging home. What really intrigued me was that Fagan promised the reader that he would not only discuss the little ice age in terms of the science we have now, but also the impact it likely had on European history, as well as how ongoing climate change might continue to affect us. Fagan wrote:

"Humanity has been at the mercy of climate change for its entire existence. Infinitely ingenious, we have lived through at least eight, perhaps nine, glacial episodes in the past 730,000 years. Our ancestors adapted to the universal but irregular global warming since the end of the Ice Age with dazzling opportunism. They developed strategies for surviving harsh drought cycles, decades of heavy rainfall or unaccustomed cold...(but t)he price of sudden climate change in famine, disease and suffering, was often high." (Preface p. xii).

Fagan then discussed the current state of the science of reconstructing the climatic fluctuations and what that means for what we know, saying: "...the Little Ice Age was far from a deep freeze. Think instead of an irregular see-saw of rapid climatic shifts, driven by complex and still little-understood interactions between the atmosphere and the ocean...the Little Ice Age was an endless zigzag of climatic shifts, few lasting more than a quarter century. Today's prolonged warming is an anomaly." (Preface, p. xiii).

I was hooked! This was going to be really interesting, especially given all of the controversy about global climate change in our discussion of the politics of the day. So often, as I have discussed here, we tend to think of the past climate as if it was one long now, with change only happening in the future, and we think in very short periods of time.

Fagan structured the book in four parts, each about a particular time period related to the subject, and each part is divided into chapters that discuss the the climatic shifts, the science behind their causes as we know them, and the related historical events and social changes that were affected, at least in part, by the climate. Part I, Warmth and Its Aftermath, gives information about the Medieval Warm Period and the social and agricultural activities that it affected, such as the Norse exploration of Iceland, Greenland, and North America (Vinland), and the increasing agricultural use of lands northwards and at high elevations in Europe. He then discusses the North Atlantic Oscillation (the NAO, similar to the ENSO cycle of the Pacific) and how the stability of the NAO contributed to the warm period and how the predictability of the climate encouraged the medieval European social structure called "the Full World" by the French. He then discusses how, by the end of the Medieval Warm Period, the NAO was weaker and more unpredictable, leading to the Great Famine of 1315 - 1321 signaled the beginning of the instability of the Little Ice Age.

Part II, The Cooling Begins, starts with a discussion of the 'climatic see-saw' that characterized the Little Ice Age. Here Fagan outlines the evidence for changes in climate found in tree rings and ice cores, and ties this information to events such as volcanic eruptions, and descriptions of storms and bad weather. He then outlines how these climatic changes first affected trade in the North Sea and with Iceland and Greenland, the breaking of the Hanseatic League monopoly on cod fisheries, and the abandonment of the Greenland Western Colonies. He also discusses the development of ships better able to withstand storms and ice, as well as the economics behind these changes and how they were precipitated, in part, by the climate see-saw.

In Part III, the End of the 'Full World,' Fagan turns to the organization of European agriculture at the end of the Medieval Warm Period, and the changes brought on by the onset of an unpredictable climate. He begins this part with a description of subsistence agriculture and what it means: farmers grow enough to feed a small number of people for that year, and they may harvest enough to survive one bad year, but no more. Fagan then goes on to explain how the rapid climatic shifts and many bad years during the Little Ice Age resulted in an agricultural revolution in Europe, but not all at once and not for everyone. Political structures and custom, as well as the varying impact of the unpredictable NAO on different regions, had much to do with which parts of Europe developed more intensive commercial agriculture and when. The Low Countries and England, both politically more innovative, did so first, and France, with its entrenched nobility and top-down decision making was dead last. The Little Ice Age, Fagan says, did not in itself cause the violence of the French Revolution, but climatic shifts resulting in a series of bad harvests had a hand in the timing of it. To me this part was the most compelling in the book, because in it, Fagan related events to a much more precise understanding of the climate at the time, for in discussions of more recent events, records using modern measurements of temperature and precipitation were available. This part ends with descriptions of two catastrophic events that came near the end of the Little Ice Age: the Year without a Summer brought on by the eruption of Tambora, and the 'Great Hunger' of the Irish Potato Famine, brought on by a combination of climate, oppressive political rule and indifference of the English, and the establishment of monocultural subsistence farming in Ireland.

Fagan concludes the book in Part IV, The Modern Warm Period, with a discussion of what we do and do not know about the causes of the current global warming. Currently, he says, the data show that we are experiencing warming equivalent to the Medieval Warm period, and thus can expect to see vineyards in Britain, and the movement of arable land northward and to high elevations. But is this the result of the cycle of warming and cooling that the earth has experienced since the end of the last glacial period, or does human activity (increasing greenhouse effect due to the burning of hydrocarbons) play a major role now? The answer, Fagan says, will not be definitively know for possibly 30 more years, although the evidence points to an increased role for human activity. This is because we are only now beginning to understand the role of solar activity (sunspot cycles--minimums and maximums, as well as changes in solar radiation) in producing earth's climatic cycles. (You can find more about this topic here). I found this little discussion compelling, and I want to share it with you:

"What form will this (new era of climate change) take? One school of thought...is serenely unfazed by global warming. Gradual climate change will bring more benign temperatures...milder winters and more predictable weather--much like earth in the time of the dinosaurs. Humanity will adjust effortlessly to its new circumstances, just as it has adjusted to more extreme changes in ancient times.

"The record of history shows that this is an illusion. Climate change is almost always abrupt, shifting rapidly within decades, even years, and entirely capricious. The Little Ice Age was remarkable for its rapid changes...(and) the same pattern of sudden change extends back to the Great Ice Age of 15,000 years ago, and probably to the very beginnings of geolocical time." (p. 213).

The very last paragraphs of the book describe how glacial melt-water flowing into the North Atlantic 11,000 years ago completely shut down the warm oceanic conveyor currents, and stopped an earlier warming period "in its tracks." This created the Younger Dryas, a 1,000 year long cold period that brought Europe to near-glacial conditions. It happened rapidly, within a decade or two, and was a complete climatic shift.

Fagan says: "Even if the present warming is entirely of natural origin...we and our descendents are navigating uncharted climatic waters. In that respect we are no different than medieval farmers or eighteenth-century peasants, who took the weather as it came. Today we can forcast the weather and model climatic change, but globally we are still as vulnerable to climate as were those who endured the famine of 1315 or the storms of the Spanish Armada...The vicissitudes of the Little Ice Age remind us of our vulnerability again and again..." (p. 217).

It will take me some time to really chew over the lessons of the Little Ice Age, its impact on history, its warnings for the future. But I can say now that one thing that made this book so fascinating and so compelling to my thought, was that Fagan did not, in the end, attempt to give a definitive answer about global climate change and its trajectory and causes. Nor was he overly prescriptive in what we ought to do, if anything, to meet its challenges. Rather, he shows us through eyewitness descriptions, science, literature and art, how suddenly, how irrevocably the world as we know it can change, and has changed. Indeed, when we face an unknown future, it's always "the end of the world as we know it."