Showing posts with label Spencer Weart. Show all posts
Showing posts with label Spencer Weart. Show all posts

Friday, November 29, 2019

How Many 'Muricans Will Respond To The Global Climate Strike Today? Or Will They Just Shop Til They Drop?

No photo description available.
Image result for brane space,  climate fires



























From topmost image panel: Climate protesters last month during global strike; most recent reading of CO2 concentration at Mauna Loa observatory; Middle: Climate -spawned wildfire in California. Bottom: Brain afflicted with parasitic (bladder) worms and another person suffering from a filiarisis worm infection. Both of these will become more frequent as global warming ramps up in temperate countries.


Even as I write this two things diametrically opposite are happening: 165 million Americans are set to shop until they drop for bargains on Black Friday - and millions are set to demonstrate in a global climate strike around the world.   The strikes in dozens of cities are part of a global movement started last year by Swedish school girl, Greta Thunberg.  She has taken heat, no pun intended, from the knuckle dragger low IQ segment of the populace (mainly Trump worshipping, white conservative males) but has continued her mission undaunted by the disparaging apes.

Meanwhile,  5 million citizens of Sydney, Australia are choking from toxic plumes spawned by 150 wildfires related to global warming induced drought.  This is not new. In January, 2013 wild fires spawned in the midst of the hottest summer on record engulfed Tasmania with searing images including that below:
Tim Holmes

See e.g.

A Vision of Humanity's Near Future?

With world leaders gathering in Madrid next week for their annual meet and greet  over how to avert a climate catastrophe, the latest assessment issued by the United Nations said Tuesday that greenhouse gas emissions are still rising dangerously and failure to control emissions will lead to "climate chaos".  But that's more or less a bland euphemism. In fact, we are more likely facing a climate catastrophe given how long the rising CO2 and ocean effects have been lowballed.  Last month, by way of example ocean temperatures broke a record.  Further, over the last half century 90 percent of warming has been in the oceans, leading to higher acidification, with loss of corals and mnow threatening the survival of plankton as well - the primary oxygen generators for the planet.

According to the latest UN report, known as "Emissions Gap Report":

The summary findings are bleak."    

This given that countries have failed to halt the rise of greenhouse gas emissions despite repeated warnings from scientists, with China and the United States, the two biggest polluters, further increasing their emissions last year.  The result, the authors added, is that “deeper and faster cuts are now required.”

Pathetically, the international climate negotiations, scheduled to begin next week, are not even designed to ramp up pledges by world leaders to cut their own countries’ emissions. That deadline is still a year away - allowing another major spike in CO2 concentration. .  This year’s meetings are instead intended to hammer out the last remaining rules on how to implement the 2015 Paris climate accord, in which every country pledged to rein in greenhouse gases, with each setting its own targets and timetables.

Newsflash, that 'ship' has sailed into the sunset and no longer viable! We already know the limits and targets set in the Paris Accord are too weak by a factor  of at least two.  Meaning that even if they were universally adopted and enacted (and enforced ) immediately it would not be sufficient to stave off a climatic catastrophe (stage 1 of such) in 11  years.  See e.g.
:
Climate report understates threat

Excerpt:

So far, average temperatures have risen by one degree Celsius. Adding 50 percent more warming to reach 1.5 degrees won’t simply increase impacts by the same percentage—bad as that would be. Instead, it risks setting up feedbacks that could fall like dangerous dominos, fundamentally destabilizing the planet. This is analyzed in a recent study showing that the window to prevent runaway climate change and a “hot house” super-heated planet is closing much faster than previously understood.

Global greenhouse gas emissions have grown by 1.5 percent every year over the last decade, according to the latest  annual assessment. The opposite must happen if the world is to avoid the worst effects of climate change, including more intense droughts, stronger storms and widespread hunger by mid-century. To stay within relatively safe limits, emissions must decline sharply, by 7.6 percent every year, between 2020 and 2030, the UN report warned. (The media claim that  2015 "emissions adjustments" have avoided the 4C increase is belied by the feedback potential cited in the Bulletin of Atomic Scientists' link above.)

The World Meteorological Organization reported on Monday that emissions of three major greenhouse gases — carbon dioxide, methane and nitrous oxide — have all swelled in the atmosphere since the mid-18th century.  According to Alden Meyer, director of policy and strategy at the Union of Concerned Scientists:

“We are sleepwalking toward a climate catastrophe and need to wake up and take urgent action,” 

The world’s 20 richest countries, responsible for more than three-fourths of worldwide emissions, must take the biggest, swiftest steps to move away from fossil fuels, the report emphasized. The richest country of all, the United States, however, has formally begun to pull out of the Paris accord.
Meanwhile, a vast swath of American consumers are oblivious to all this, more focused on getting their new HDTV on 'Black Friday'.  One might say, fiddling while the (new) Rome burns - or is about to.

Were the ice sheets of Greenland and Antarctica to melt, sea levels would rise by an estimated 225 feet worldwide. Few orthodox pundits expect that to happen anytime soon, but many of us believe at the current rate of CO2 increase it may well be by 2100.  . In any case, those ice sheets now look a lot more fragile than they did to the climate change panel in 1995, when it said that little change was expected over the next hundred years.

In the years since, data has shown that both Greenland and Antarctica have been shedding ice far more rapidly than anticipated. Ice shelves, which are floating extensions of land ice, hold back glaciers from sliding into the sea and eventually melting. In the early 2000s, ice shelves began disintegrating in several parts of Antarctica, and scientists realized that process could greatly accelerate the demise of the vastly larger ice sheets themselves. And some major glaciers are dumping ice directly into the ocean.

By 2014, a number of scientists had concluded that an irreversible collapse of the West Antarctic ice sheet had already begun, and computer modeling in 2016 indicated that its disintegration in concert with other melting could raise sea levels up to six feet by 2100, about twice the increase described as a possible worst-case scenario just three years earlier. At that pace, some of the world’s great coastal cities, including New York, London and Hong Kong, would become inundated. 

This year, a review of 40 years of satellite images indicate that the East Antarctic ice sheet, which was thought to be relatively stable, may also be shedding vast amounts of ice.  As the seas rise, they are also warming at a pace unanticipated as recently as five years ago. A warmer ocean means more powerful storms, and die-offs of marine life, but it also suggests that the planet is more sensitive to increased carbon dioxide emissions than previously thought.

By the early 1990s, climate scientists completed more precise studies of ice cores extracted from the Greenland ice sheet. Dust and oxygen isotopes encased in the cores provided a detailed climate record going back eons. It revealed that there had been 25 rapid climate change events like the Younger Dryas in the last glacial period.  The evidence in those ice cores  - many of them originally studied by Univ. of Alaska climate researcher Prof. Gunther Weller (at the Geophysical Institute) -

Prof.  Gunther Weller (1987) at Geophysical Institute 

was articulated in several papers in the 1980s,  showing the most rapid warming in the Arctic.  His work and that of colleagues  has disclosed that over the past 800,000 years the CO2 concentration of  300 ppm was never crossed until after the advent of the Industrial Revolution and the burning of fossil fuels.  Prof. Weller's work was also critical in highlighting the phenomenon of "Arctic amplification".  In papers and seminars delivered at the GI over 1985-1990 he pointed out that a much warmer Arctic translated to a much more unstable polar region with more frequent intrusions ("waves")  of polar air.  This would  lead to frigid temperatures in parts of the U.S. such as we've seen the past few years.  In one seminar he described it "almost like moving the Arctic to the continental U.S."

Such ice core measurements have since proven pivotal in overturning the conventional wisdom. As the science historian Spencer Weart put it:

How abrupt was the discovery of abrupt climate change? Many climate experts would put their finger on one moment: the day they read the 1993 report of the analysis of Greenland ice cores. Before that, almost nobody confidently believed that the climate could change massively within a decade or two; after the report, almost nobody felt sure that it could not.”

In 2002, the National Academies acknowledged the reality of rapid climate change in a report, “Abrupt Climate Change: Inevitable Surprises,” which described the new consensus as a “paradigm shift.” This marked  a reversal of its 1975 report.


The melting of permafrost has also defied expectations.   See e.g.

More Rapid Permafrost Melting Triggers Emergency C...

This is ground that has remained frozen for at least two consecutive years and covers around a quarter of the exposed land mass of the Northern Hemisphere. As recently as 1995, it was thought to be stable. But by 2005, the National Center for Atmospheric Research estimated that up to 90 percent of the Northern Hemisphere’s topmost layer of permafrost could thaw by 2100, releasing vast amounts of carbon dioxide and methane into the atmosphere.  Janice and I experienced melting permafrost's effect first hand while visiting Fairbanks, Alaska in March, 2005. There, we witnessed the collapse of a 150' high ice tower  (part of an ice design exhibition) which was traced to melting permafrost below.  We also noted the displacement of the Trans-Alaska oil pipeline - again from melting permafrost- while on a snowmobile expedition, e.g.
Image result for brane space, Geophysical Institute

Most appalling, if  the Trump administration has its way, even the revised worst-case scenarios may turn out to be too rosy. In late August, the administration announced a plan to roll back regulations intended to limit methane emissions resulting from oil and gas exploration, despite opposition from some of the largest companies subject to those regulations. More recently, its actions approached the surreal as the Justice Department opened an antitrust investigation into those auto companies that have agreed in principle to abide by higher gas mileage standards required by California. The administration also formally revoked a waiver allowing California to set stricter limits on tailpipe emissions than the federal government.

One wonders how many Americans will pause to think of all this as they go on their merry buying sprees today. Also, how many will be mindful that the products they purchase will have direct further impacts on the rapidly destabilzing climate.  I mean, who gives a damn about parasitic worms invading one's brain when there are deals at Best Buy to be had?

See also:

The California Wildfires - A Preview Of The Runaw...

And:



And:

Monday, June 15, 2015

Kids "Indoctrinated" By Feds On Climate Change? Get Real!

 
Paul H. Tice,  in a WSJ op-ed ('Schoolroom Climate Change Indoctrination', May 28, p. A15) claims American kiddies are being relentlessly "indoctrinated" on climate change via "teaching materials largely sourced from federal agencies". But who is he kidding? His real beef is that the info and materials aren't coming from the climate change deniers - recently exposed as generating a $140m blitz to try to torpedo the scientific facts on what's happening to our planet.
 -
But see, deniers aren't interested in facts, but supporting a massive campaign of agnotology, or the sowing of doubt in order to promote an unsustainable economic model based on fossil fuels. See e.g.

http://brane-space.blogspot.com/2012/01/as-i-noted-in-earlier-blog-httpbrane.html

Tice is vexed that (ibid.):

"The National Research Council framework for K-12 science education recommends that by the end of Grade 5, students should appreciate that rising global temperatures will affect the lives of humans and all other organisms on the planet. By Grade 8 students should understand that the release of greenhouse gases from fossil fuels is a major factor in global warming. And by Grade 12, students should know that global climate models are very effective in modeling and predicting the current and future impact of climate change."

He then complains of the "reach" - noting "the  learning concepts have been incorporated almost verbatim into the New Jersey Department of Education model science curriculum". He then beefs that the "materials and resources used by instructors in teaching are sourced from government agencies" - to which I respond, 'So what?'

Where the hell else do you think the materials will come from, and at a price the schools and instructors can afford?  Let me correct that, where do you think the scientifically factual materials will come from?  It is precisely the federal agencies,  including the NRC, the NSF (National Science Foundation) and NOAA (National Oceanic and Atmospheric Administration) that will be the optimal sources for materials given the volume of work already published.

Tice then claims that relying on such curriculum materials from federal agencies "raises a number of issues". Chief among these is that the materials leave "no room for balanced discussion". What balanced discussion? There is no "balance" in this discussion because there are not two sides to this issue any more than there are two sides to whether the Holocaust occurred.  This is exactly what the economic agnotologists want you to believe: the 2 sides malarkey. Then they can keep the  pseudo debate churning  endlessly while the planet goes down the shitcan.

Tice then commits the most basic error of the scientifically uninformed by averring:

"The science of climate change is still just a theory"...

Oblivious to the fact that a theory  - by definition - has already made confirmed predictions based on the associated observations. In this case - for example  - that the polar regions are warming more rapidly than temperate regions, and that sea level increase is an accompaniment of ongoing climate change, see e.g.

http://www.huffingtonpost.com/2014/09/22/kiribati-president-buying-land_n_5860064.html

He then, as if to try to make his specious case, asks more questions typical of the scientifically ignorant such as:

"For instance, why has the planet inconveniently stopped warming since the late 1990s even as carbon dioxide levels continue to rise?"

The fact is this is a myth, originating through a goofy, statistical misinterpretation of the data that a high school science nerd ought to have spotted, see e.g.

http://brane-space.blogspot.com/2013/06/george-will-no-warming-for-last-16.html

In addition, an important paper by Sonia Seneviratne appearing in Nature Climate Change in March last year showed another, secondary source of statistical error inheres in ignoring peak high temperatures over long duration in extended land areas. Seneviratne's team reported a clear rise in the area of land experiencing more than 30 days of harsh heat per year and other regions experiencing more than 50 days of sever heat. Both of these under-reported in satellite assays and hence disclosing a lower mean temperature than should have been noted. The results, the authors state:
"Show that it would be erroneous to interpret the recent slowdown (in the late 90s and early 2000s) as a general slowdown of climate change"   Adding:

"The mean temperature or any single variable is not enough to talk about climate change"


A more recent paper, published in the journal Science on June 4 also knocks down the "temperature pause" bunkum  noting that previous research wasn't accurate because of irregularities in how temperatures are measured on land and sea - basically confirming the research of Seneviratne appearing in Nature Climate Change  a year ago.  The lead author, Thomas Karl, quoted in a related WSJ piece ('Warming Hasn't Slowed, Study Says'. June 5, p. A12) asserted:

"We found that the rate of warming over the past 15 years was no different than the rate of warming in the second half of the twentieth century"

As I pointed out before, the whole boondoggle with this fake pause was unfortunate, given how the climate change skeptics jumped on it to try to bolster their flimsy case and push their agnotology.

Another specious question put forward by Tice is:

"How statistically significant is a 1.4 degree Fahrenheit increase in average global surface temperatures since 1880 for a 4.6 billion year old planet with multiple ecosystems and a surface area of some 200 million square miles?"

But he commits the error of statistical conflation, mixing up different epochs when average temperatures varied wildly, i.e. on account of intermittent Ice ages. Thus, "significance" is only valid for the epoch under consideration.  The key statistical fact Tice ignores? Never has an Ice Age occurred when the CO2 concentration is above 200 ppm, and never has an interglacial lasted very long when the CO2 concentration is less than 200 ppm. It now stands at nearly 396 ppm, and we believe the threshold to trigger the runaway greenhouse effect will kick in between 480- 500 ppm. At even 400 ppm, most climate scientist acknowledge any future Ice ages are out of the question.

Thus, neither the planet's age nor its total area  matters, it is instead all about the given epoch under which we consider the pertinent conditions, namely temperature increase since the onset of the Industrial Revolution and the accompanying CO2 concentration and its rate of increase. Let's also not forget the 1.4 F increase Tice references  appears to be less than it actually has been - closer to 2.0 -2.4 F. See also:
http://brane-space.blogspot.com/2015/05/the-new-reality-global-mean-temperature.html

An equally absurd question, but typical of the agnotology -denier brigade is:

"How dangerous is the current level of carbon dioxide in the world's atmosphere when 400 parts per million expressed as a percentage of the volume of the atmosphere would equate to only 0.04% or approximately zero?"

Here Tice fails to note or process that it is the nature of the molecule as a thermal insulator that renders its proportion in the atmosphere critical, not the proportion in relation to total atmosphere per se.   To fix ideas, Spencer Weart in his excellent article: 'The Discovery of the Risk of Global Warming’, in Physics Today, Jan. 1997, p. 34). pointed out that even a tiny, minuscule amount of CO2 is vastly more efficient at blocking the re-radiation of energy than any amount of water vapor- at those bands. Part of the misconception arose because early researchers, lacking the current technology of infrared spectroscopy, assumed that water vapor bands already blocked out most of what would (ordinarily) be taken by CO2.

But using this stratagem to try to baffle the scientifically illiterate is typical of climate disinformationists like Tice.  "The tiny little number compared to the whole" ....makes it meaningless!   When in fact, the relative increase from an Ice age threshold of 200  ppm to 400 ppm is highly significant, because it means the difference between future Ice ages and no Ice ages. Not to mention further increases at the rate of 2 ppm/year push us into the maw of the runaway greenhouse within 30-40 years.

In many ways this sort of "tiny change" argument resembles that of the pro-Warren Commission disinformers who would have us believe that Gerald R. Ford's "tiny alteration" of the bullet wound placement upwards (from the  third thoracic vertebra level of back,  to the 5th-6th cervical vertebra)  "didn't change a thing". When in fact it literally provided the spurious basis for the idiotic single bullet theory and the lone gunman myth.

But this is the nature of  the bogus craft of agnotologists, pseudo skeptics and disinformationists: to always keep the hoi polloi guessing and in a state of perpetual doubt or denial.  Paul Tice, alas, has taken a page right out of this forlorn playbook.