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  • Greenhouse gas emissions mapped to building, street level for U.S. cities

    ScienceDaily: Earth Science News


    2010 Korea bomb ‘tests’ probably false alarms, says study

    Posted: 09 Oct 2012 09:17 AM PDT

    This spring, a Swedish scientist sparked international concern with a journal article saying that radioactive particles detected in 2010 showed North Korea had set off at least two small nuclear blasts — possibly in experiments designed to boost yields of much larger bombs. Separate claims surfaced that intelligence agencies suspected the detonations were done in cooperation with Iran. Now, a new paper says the tests likely never took place — or that if they did, they were too tiny to have any military significance.

    Greenhouse gas emissions mapped to building, street level for U.S. cities

    Posted: 09 Oct 2012 09:16 AM PDT

    Researchers have developed a new software system capable of estimating greenhouse gas emissions across entire urban landscapes, all the way down to roads and individual buildings. Until now, scientists quantified carbon dioxide emissions at a much broader level. “Hestia” combines extensive public database “data-mining” with traffic simulation and building-by-building energy-consumption modeling.

    Vast differences in polar ocean microbial communities

    Posted: 09 Oct 2012 06:30 AM PDT

    An international team of scientists has found that a clear difference exists between the marine microbial communities in the Southern and Arctic oceans. Their report contributes to a better understanding of the biodiverisity of marine life at the poles and its biogeography.
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  • Reassessing the Risks of Climate Change and Oil Depletion

    Oil Price Daily News Update


    Oil Continues Slide Ahead of OPEC Report

    Posted: 08 Oct 2012 03:59 PM PDT

    Concerns over reports Monday of a declining Asian economy helped push crude oil prices down for the second straight trading day. The World Bank downgraded its growth expectations for the Asia-Pacific region, where the Chinese economy is showing signs of flattening. In Europe, meanwhile, trouble continued, though leaders there agreed to set up a $648 billion recovery fund. Though the IMF praised Middle East economies for maintaining a watchful eye on global oil markets, the slide in energy prices continued into the second week of October. The…

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    U.S. Navy Investigates Making Jet Fuel from Seawater

    Posted: 08 Oct 2012 03:57 PM PDT

    For centuries navies used a renewable energy form as a means of propulsion. The wind. Now the U.S. Navy is investigating another potentially limitless fuel source to produce JP-5 jet fuel – seawater. The U.S. Naval Research Laboratory (NRL) is developing the chemistry for producing jet fuel from renewable resources in theatre. The process envisioned would catalytically convert carbon dioxide and hydrogen directly to liquid hydrocarbon fuel used as JP-5. And how exactly would this alchemic sleight of hand be performed? By…

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    The Solution to the Energy Storage Problem

    Posted: 08 Oct 2012 03:53 PM PDT

    Among the obstacles in the way of the triumph of renewable energy, one stands out: the lack of cheap, efficient means to store power. Now, it could just be starting to crumble.Solar, wind and other renewables are booming as never before. On the face of it, there’s nothing to stop them becoming the dominant source of our electricity sometime during the course of this century.Except for one big, black fly in the ointment. Our limited ability to store the electricity they generate. Energy storage is the holy grail for renewables, since many…

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    Friday’s Gas Price Spike in California

    Posted: 08 Oct 2012 03:39 PM PDT

    Gasoline prices in California are usually 30-40 cents a gallon higher than the rest of the country. About 20 cents of that is due to higher gasoline taxes in California and much of the rest from the fact that we use a higher quality of gasoline in order to reduce air pollution. But the average retail price of gasoline in California jumped 50 cents a gallon last week, even as the price elsewhere in the country was heading down. The average price in the Golden State on Friday was $4.64 a gallon. That compares with a California high of $4.38 reached…

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    What the US can Learn from China’s Solar Industry

    Posted: 08 Oct 2012 03:30 PM PDT

    Yesterday, the New York Times described a “looming financial disaster” for China’s clean energy industry: “Though worldwide demand for solar panels and wind turbines has grown rapidly over the last five years, China’s manufacturing capacity has soared even faster, creating enormous oversupply and a ferocious price war.” This development offers three important lessons for U.S. clean energy advocates.1. Green Mercantilism is not a long-term sustainable clean energy strategy. China’s clean energy policies…

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    Reassessing the Risks of Climate Change and Oil Depletion

    Posted: 08 Oct 2012 03:25 PM PDT

    Many people dismiss the risks associated with oil depletion and climate change–even many who accept the two issues as problems. They judge those risks to be small or at least manageable. Since no one can know the future, we cannot be sure whether they are right or wrong. But even if they are right, should we be so sanguine? As we examine this question, keep in mind that we are talking about probabilities and the level of risk, not absolute knowledge which none of us can have about the future.One reason that so many people discount the risks of…

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    UK Could Face Blackouts by 2015 due to Phase out of Coal-Fired Power Plants

    Posted: 08 Oct 2012 03:20 PM PDT

    In a new report, Ofgem, the UK energy regulator, has warned that in as little as three years time the nation could start experiencing black outs and higher energy bills as a result of the faster than expected phase out of coal-fired power stations.Others fear that the rapid decline of coal power stations could lead the government to pursue a ‘dash for gas’ which will increase carbon emissions for decades to come.Ofgem have predicted that the current spare capacity of 14% could fall to just 4% by 2015, meaning that a spike in demand…

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    Chavez Celebrates Another Comfortable Election Victory

    Posted: 08 Oct 2012 03:19 PM PDT

    Hugo Chavez, the president of Venezuela, has just celebrated another comfortable election victory which will cement his status as one of the dominant figures in modern Latin American history.A record 80 percent of the population voted in the elections, helping Chavez’s claims of democratic rule, despite critics who claim he is an autocrat who bullies private corporations and silences political foes.Tens of thousands of supporters hit the streets to celebrate Chavez’s victory over his opponent Henrique Capriles, which he achieved by…

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    UK Shale Gas Industry to Receive Boost from Generous New Tax Regime

    Posted: 08 Oct 2012 03:17 PM PDT

    In his latest speech, which he gave to his party in a conference on Monday, George Osborne, the Chancellor of the Exchequer, gave hope to the UK shale gas industry.He stated that, “we are today consulting on a generous new tax regime for shale so that Britain is not left behind as gas prices tumble on the other side of the Atlantic.”Shale gas in the UK needs all the help that it can get. Due to difficulties that arise from mineral rights, population density, and environmental regulations, only a few wells have been drilled so far, far…

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    Saudi Aramco Doubles Supply of Crude to Gulf of Mexico

    Posted: 08 Oct 2012 03:16 PM PDT

    Saudi Arabian Oil Company (Saudi Aramco) has chartered another four very large crude tankers to carry oil to the Gulf of Mexico in October. So far this year the oil giant has sent four tankers a month to refineries in the Gulf, but following rumours that a large refinery will soon be reopened, they have decided to double their crude export, transporting for an extra 16 million barrels a month.The 600,000 barrel a day Motiva Enterprises LLC refinery in Texas, owned by Royal Dutch Shell and Saudi Aramco, had to shut down one of its 325,000 barrels…

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  • Flow modelling released for Murray plan

    Flow modelling released for Murray plan

    Updated 57 minutes ago

    The Federal Government has released the latest round of modelling on the effects of releasing more water down the Murray.

    The modelling was requested by a ministerial council to assess the flow effects.

    The current Murray-Darling Basin plan proposes 2,750 gigalitres of annual flow.

    The latest report has found that by releasing an additional 450 gigalitres the environmental benefits would improve, particularly for the Murray, its main tributaries, the Coorong wetlands, lower lakes and Murray mouth.

    It says more water would inundate those areas for longer periods.

    South Australia has threatened to take a case to the High Court unless more water is returned to the environment under the final Murray-Darling plan.

     

    SA Premier Jay Weatherill said the latest scientific analysis backed the state’s view.

    “We have always known that the proposed 2,750 gigalitres was simply not enough for a healthy river,” he said.

    “This is why we demanded this modelling be undertaken.”

    Mr Weatherill said his Government might drop its legal threat if the Federal Government adopts the new modelling.

    “There are a number of important conditions that we need to put on this. We need to make sure that that water is delivered in a way that actually maximises the benefits for South Australia so there are a number of key conditions we have on that number, but you need that number first,” he said.

    “This is now the number that we need to campaign for to get a healthy river.

    “We’ve always stood up for this river, it’s now the turn of those who’ve done the damage to remedy the damage, that’s our claim. We’re confident that the Commonwealth can meet that demand and we’re making that demand of the Commonwealth and the next few weeks are going to be critical in terms of delivering on this plan.”

    Mr Weatherill said he knew there would be upstream complaint about the latest data.

    “There will be people upstream who will fight against this. You’ve already heard them come out offering any number of excuses about why this shouldn’t happen,” he said.

    “We now know that the issue that was offered as an excuse for not getting water down this river has been blown away by this modelling.

    “The notion that you can’t get extra water down this river because of the constraints of the river is gone.”

    The SA Liberal Opposition said it supported the latest flow modelling.

     

    Federal Environment Minister Tony Burke is expected to table the final Murray-Darling Basin plan by the end of the year.

    Mr Burke says the environmental outcomes projected in the new modelling are “staggeringly different” from the previous data.

    “What we now have is some modelling which says if you remove these constraints, you can restore the rivers to health,” he said.

    “You can restore the system to health with 3,200 gigalitres of water.

    “Upstream there will continue to be arguments about how much impact that has on communities, and rightly so.”

     

    Mr Burke says he is not in a position to outline how the water will be acquired.

    “These issues are still up for negotiation and we are still working it through with all the states.”

    Richard Kingsford, from the University of New South Wales, says returning at least 3,200 gigalitres to the basin would be a good first step in the long-term recovery process.

    “From a scientific point of view the more water that gets back into the system, the more likely you are to achieve ecological health,” he said.

    He says major wetlands and natural floodplains need greater flows if they are to be restored to good health.

    “We need large enough flows to get onto the floodplains to make it to those river redgums that have been really stressed and many of them have died,” he said.

    But the Victorian Government says the proposals may disadvantage basin communities.

    The Victorian Premier, Ted Baillieu, says he is concerned the modelling would take more water away from basin communities.

    “I think what we’ve been saying all along is we’re concerned about where that’s going to come from,” he said.

    “And I don’t think the Federal Minister has yet produced a result which is going to win favour with the relevant community groups.”

  • MONBIOT The Empire Strikes Back

    Monbiot.com


    The Empire Strikes Back

    Posted: 08 Oct 2012 12:38 PM PDT

    Imperialism did almost as much harm to the ruling nations as it did to their subject peoples.

     

    By George Monbiot, published in the Guardian 9th October 2012

    Over the gates of Auschwitz were the words “Work Makes You Free”. Over the gates of the Solovetsky camp in Lenin’s gulag: “Through Labour – Freedom!”. Over the gates of the Ngenya detention camp, run by the British in Kenya: “Labour and Freedom”(1). Dehumanisation appears to follow an almost inexorable course.

    Last week, three elderly Kenyans established the right to sue the British government for the torture they suffered – castration, beating and rape – in the Kikuyu detention camps it ran in the 1950s(2).

    Many tens of thousands were detained and tortured in the camps. I won’t spare you the details: we have been sparing ourselves the details for far too long. Large numbers of men were castrated with pliers(3). Others were anally raped, sometimes with the use of knives, broken bottles, rifle barrels and scorpions(4). Women had similar instruments forced into their vaginas. The guards and officials sliced off ears and fingers, gouged out eyes, mutilated women’s breasts with pliers, poured paraffin over people and set them alight(5). Untold thousands died.

    The government’s secret archive, revealed this April, shows that the attorney-general, the colonial governor and the colonial secretary knew what was happening(6). The governor ensured that the perpetrators had legal immunity: including the British officers reported to him for roasting prisoners to death(7). In public the colonial secretary lied and kept lying(8).

    Little distinguishes the British imperial project from any other. In all cases the purpose of empire was loot, land and labour. When people resisted (as some of the Kikuyu did during the Mau Mau rebellion), the response everywhere was the same: extreme and indiscriminate brutality, hidden from public view by distance and official lies.

    Successive governments have sought to deny the Kikuyu justice: destroying most of the paperwork, lying about the existence of the rest, seeking to have the case dismissed on technicalities(9,10). Their handling of this issue, and the widespread British disavowal of what happened in Kenya, reflects the way in which this country has been brutalised by its colonial history. Empire did almost as much harm to the imperial nations as it did to their subject peoples.

    In his book Exterminate All the Brutes, Sven Lindqvist shows how the ideology that led to Hitler’s war and the Holocaust was developed by the colonial powers(11). Imperialism required an exculpatory myth. It was supplied, primarily, by British theorists.

    In 1799, Charles White began the process of identifying Europeans as inherently superior to other peoples(12). By 1850, the disgraced anatomist Robert Knox had developed the theme into fully-fledged racism(13). His book The Races of Man asserted that dark-skinned people were destined first to be enslaved and then annihilated by the “lighter races”. Dark meant almost everyone: “what a field of extermination lies before the Saxon, Celtic, and Sarmatian races!”(14).

    Remarkable as it may sound, this view soon came to dominate British thought. In common with most of the political class, W.Winwood Reade, Alfred Russell Wallace, Herbert Spencer, Frederick Farrar, Francis Galton, Benjamin Kidd, even Charles Darwin saw the extermination of dark-skinned people as an inevitable law of nature(15). Some of them argued that Europeans had a duty to speed it up: both to save the integrity of the species and to put the inferior “races” out of their misery.

    These themes were picked up by German theorists. In 1893, Alexander Tille, drawing on British writers, claimed that “it is the right of the stronger race to annihilate the lower.”(16) In 1901, Friedrich Ratzel argued in Der Lebensraum that Germany had a right and duty to displace “primitive peoples”, as the Europeans had done in the Americas. In Mein Kampf, Hitler explained that the eastward expansion of the German empire would mirror the western and southern extension of British interests(17). He systematised and industrialised what the imperial nations had been doing for the past five centuries. The scale was greater, the location was different, the ideology broadly the same.

    I believe that the brutalisation of empire also made the pointless slaughter of the first world war possible. A ruling class which had shut down its feelings to the extent that it could engineer a famine in India in the 1870s in which between 12 and 29 million people died was capable of almost anything(18). Empire had tested not only the long-range weaponry that would later be deployed in northern France, but also the ideas.

    Nor have we wholly abandoned them. Commenting on the Kikuyu case in the Daily Mail, Max Hastings charged that the plaintiffs had come to London “to exploit our feeble-minded justice system”(19). Hearing them “represents an exercise in state masochism”. I suspect that if members of Hastings’s club had been treated like the Kikuyu, he would be shouting from the rooftops for redress. But Kenyans remain, as colonial logic demanded, the other, bereft of the features and feelings that establish our common humanity.

    So, in the eyes of much of the elite, do welfare recipients, “problem families”, Muslims and asylum seekers. The process of dehumanisation, so necessary to the colonial project, turns inwards. Until this nation is prepared to recognise what happened and how it was justified, Britain, like the countries it occupied, will remain blighted by imperialism.

    www.monbiot.com

    References:

    1. Caroline Elkins, 2005. Britain’s Gulag: the Brutal End of Empire in Kenya. Page 189. Random House, London.

    2. http://www.guardian.co.uk/world/2012/oct/05/mau-mau-veterans-win-torture-case

    3. Caroline Elkins, as above.

    4. Caroline Elkins, as above.

    5. See also Mark Curtis, 2007. The Mau Mau war in Kenya, 1952-60. From Web of Deceit: Britain’s Real Role in the World. http://markcurtis.wordpress.com/2007/02/12/the-mau-mau-war-in-kenya-1952-60/
    6. http://www.guardian.co.uk/world/2012/jul/16/mau-mau-veterans-secret-documents

    7. http://www.bbc.co.uk/news/uk-13044974

    8. Caroline Elkins, as above.

    9. http://www.guardian.co.uk/world/2012/oct/05/maumau-court-colonial-compensation-torture

    10. http://www.guardian.co.uk/commentisfree/2012/oct/05/kenyans-tortured-by-british

    11. Sven Lindqvist, 1997. Exterminate All the Brutes. Republished in 2012 in the collection Saharan Journhey, Granta, London.

    12. An Account of the Regular Graduations in Man.

    13. He was disgraced because he was suspected not merely of grave robbing but commissioning murders in order to supply the cadavers he wanted.

    14. Quoted by Sven Lindqvist, as above, p280.

    15. In The Descent of Man, Charles Darwin wrote that “At some future period not very distant as measured in centuries, the civilised races of man will almost certainly exterminate and replace throughout the world the savage races.” Quoted by Sven Lindqvist, as above, p261.

    16. Volksdienst, Quoted by Sven Lindqvist, as above, p302.

    17. Cited by Sven Lindqvist, as above.

    18. http://www.monbiot.com/2005/12/27/how-britain-denies-its-holocausts/

    19. http://www.dailymail.co.uk/debate/article-2174549/The-folly-judges-vulture-lawyers-nation-addicted-masochism.html

  • Subject: [roeoz] Digest Number 5532

    ———- Forwarded message ———-
    Date: 9 October 2012 01:47
    Subject: [roeoz] Digest Number 5532


    3. The hunger claims – Mediterranean Basin in the 11th Century
    From: Ilan G

    Messages ________________________________________________________________________
    __________________________________________
    3. The hunger claims – Mediterranean Basin in the 11th Century
    Posted by: “Ilan G” ilgo_au@yahoo.com.au ilgo_au
    Date: Mon Oct 8, 2012 4:46 am ((PDT))

    Fascinating research! article about the book:
    “The Collapse of the Eastern Mediterranean: Climate Change and the
    Decline of the East, 950-1072″
    from:
    http://www.haaretz.com/jewish-world/jewish-holidays/sukkot/the-hunger-claims.premium-1.468500
    >
    >
    > The hunger claims
    >
    >
    > If we want proof of how extreme weather conditions can effect
    > political change, Prof. Ronnie Ellenblum says we just need to look
    > to the Mediterranean Basin a thousand or so years ago.
    >
    > By Asaf Shtull-Trauring
    > <http://www.haaretz.com/misc/writers/asaf-shtull-trauring-1.288285> |
    > Oct.06, 2012 | 1:54 AM
    >
    >
    >
    >
    > Nothing like it had been seen in Egypt for centuries. “The city is
    > paralyzed, there are no buyers and no sellers,” an 11th-century Jewish
    > merchant wrote describing Fustat, near Cairo. “All eyes are on the
    > Nile. May God in his mercy raise the river waters.”
    >
    > Beginning in the late 10th century and continuing throughout the 11th
    > century, Nile Valley residents documented a long series of droughts,
    > the worst of which reduced the population to hunger. At their height,
    > these periods of drought were on a biblical scale – there were five,
    > six and sometimes even seven consecutive years in which rainfall all
    > but ceased. The worst and most devastating period was from 1052 to
    > 1073 when, on average, a drought year was recorded every two years.
    >
    > The Nile River’s decreased flow during these recurrent drought periods
    > dealt a blow to the entire region, forcing the population beyond
    > Egypt’s borders. The reason for this was the reliance of people living
    > in the Eastern Mediterranean basin on two main water sources, enabling
    > them to develop the agricultural lifestyle that sustained them: winter
    > rains in the Levant, and rains that originated in areas south of the
    > Sahara, which feed the Nile. The likelihood of both these sources
    > faltering at the same time is small. But in the 11th century that
    > exact scenario came to pass. It was not only the populace of Egypt
    > that suffered from lengthy droughts but also their Levant neighbors in
    > Syria and Palestine.
    >
    > The plight of the region’s residents did not end with that double
    > whammy. Written testimony from the area north of the Levant shows that
    > the Eastern Mediterranean basin suffered a third climatic blow that
    > century that was no less harsh. Between 1027 and 1060, the steppes of
    > Central Asia, Iran, Iraq, Armenia and the Balkans endured especially
    > cold winters. The severe cold also caused drought in many areas, the
    > flocks belonging to the nomadic pastoralist tribes froze, for many
    > years winter snow fell on Baghdad and the Tigris partially froze over.
    >
    > Between one bad weather period and another, there were also good years
    > when comfortable climatic conditions and timely rains enabled economic
    > and cultural growth. But when drought and cold pummeled the region
    > successively, or in tandem, they led to a significant reduction in the
    > crops on which the populace depended.
    >
    > The damage to agricultural yield had far-reaching social and political
    > consequences: “A rise in food prices, turmoil and riots, hunger,
    > plagues, mass death, urban flight, population movements, persecution
    > of minorities, persecution of anyone who was alien and different, and
    > forcible religious conversion resulted,” explains Prof. Ronnie
    > Ellenblum, a geographer and historian at the Hebrew University of
    > Jerusalem.
    >
    > In his book “The Collapse of the Eastern Mediterranean: Climate Change
    > and the Decline of the East, 950-1072,” which was published last month
    > ?(Cambridge University Press?), Ellenblum describes what he calls “the
    > anatomy of collapse.” He says the roots of this collapse go back to a
    > series of extreme climatic events that occurred in the 11th century.
    > He draws a connection between the extreme climatic phenomena in Egypt,
    > the Levant and Central Asia, and social and political upheavals that
    > brought about the decline of major cities and mass migration, altering
    > the face of the Eastern Mediterranean basin substantially.
    >
    > *Shrinking cities*
    >
    > Ellenblum had not intended to conduct such a wide-ranging study. At
    > the start, he was focused on the history of Jerusalem in the Middle Ages.
    >
    > “I discovered that even before Jerusalem was conquered by the
    > Crusaders, the size of its territory and population had shrunk,” he
    > says. “When the Crusaders arrived there was no aqueduct, and the water
    > supply was based entirely on rainwater. I once lectured on this and
    > explained that the aqueducts had broken down over the generations and
    > the technological skills required to fix them, which were known in the
    > Roman era, had been lost. A student came up to me and said, ‘What’s
    > the big deal about fixing a canal or building a bridge? I don’t buy
    > that.’ I replied that it was the standard explanation. The moment I
    > said that it hit me, and I promised that I would look into the
    > phenomenon of shrinking cities in the 11th century.”
    >
    > As he delved into documents of that period, it became apparent to
    > Ellenblum that the decline of the cities in our region was a
    > widespread phenomenon: “Tiberias, which had reached its biggest size
    > ever in the 1030s, went into decline before the century’s end. Ramle,
    > which was quadruple the size of Jerusalem at the start of the century,
    > was practically empty of residents when the Crusaders arrived in the
    > year 1099. Something had happened there. Nearly all the cities that
    > were built in the Land of Israel in the Classical and Early Muslim
    > periods, and some of the land’s agricultural areas, declined in the
    > 11th century.”
    >
    > Ellenblum ascribes that decline to consecutive drought years, which
    > dried up many springs that provided water to farming communities ?(a
    > similar phenomenon has been taking place in recent years in the
    > Jerusalem Hills?) and to the aqueducts. He soon learned that a similar
    > phenomenon occurred throughout the Eastern Mediterranean basin.
    >
    > “During this period,” he explains, “something happened to all of Roman
    > urban culture, which had continued to exist for another thousand years
    > in the East. Jerusalem, Fustat, Tiberias, Constantinople, Kairouan in
    > North Africa and Muslim Baghdad – all these cities declined.”
    >
    > The 1030s were a particularly difficult time in Baghdad, the capital
    > of the Muslim Empire. The winters during that decade were especially
    > severe, and during more than half of them it snowed in the city. ?(“In
    > 1038 heavy snows fell twice on Baghdad and did not melt for many days,
    > and the cold in December was so fierce the water completely froze for
    > six days,” a chronicler of the time wrote?). The extreme weather
    > conditions prompted loss of crops, a series of droughts, a rise in
    > food prices, hunger and plagues that caused a substantial reduction in
    > the population. The violence between Shi’ite and Sunni Muslims
    > increased, persecution of the Jews worsened, and street gangs that
    > attacked people and looted property grew more powerful.
    >
    > According to Ellenblum, this explains why the academies of Sura and
    > Pumbedita – which operated in Baghdad at the time and were the most
    > important centers for Jewish study in the east – ceased to exist in
    > the late 1030s, and their closure brought an end to the period of the
    > Geonim (heads of the academies).
    >
    > “Some have claimed that the academies in Baghdad lost their eminence
    > gradually,” he says, “but not too many years earlier, the head of the
    > Jerusalem academy sent his son to study at the academy of Baghdad.” In
    > other words, the Babylonian academy was still in its prime a few years
    > before it closed down.
    >
    > The closure of the Baghdad academies – and later on also the academy
    > in Jerusalem – had significant consequences for the Jewish world. “In
    > the wake of this, the centers of study ceased to exist in the east and
    > moved to Spain, France, and the lands of Ashkenaz,” Ellenblum says.
    > “This is a good example of processes that take place simultaneously,
    > but those who wrote about the history of the Jews did not deal with
    > the history of Baghdad itself or with the social history of the
    > region, and therefore did not make the connection between the phenomena.”
    >
    > According to Ellenblum, the weakening of Baghdad created the
    > conditions for an even graver blow to the Muslim Empire’s capital a
    > few years later, in the 1050s.
    >
    > “That is when nomads from the north conquered Baghdad – the largest
    > and most important city in the western hemisphere, an enormous city,
    > the center of government, the center of study. Today it is hard to
    > imagine the importance of that city, and the importance of the
    > scholars who were active there and in Iran,” he notes. “Those were the
    > people who developed algebra, geography, medicine, and who were
    > familiar with all of the Greek philosophical writings and the
    > commentaries on them. They were conquered by nomads who did not know
    > how to read and write, who came from the Asian Steppes, entered
    > Baghdad, encountering no resistance, and became its rulers.”
    >
    > Those nomads were the Seljuks, tribes of Turcoman cattle herders that
    > in the 11th century migrated to the Middle East and gained control of
    > large areas of the Muslim Empire, including Baghdad. Later on, the
    > Seljuks defeated Byzantium and wrested control of Asia Minor.
    >
    > Ellenblum cites written sources that attest that the Turcoman tribes
    > were forced to migrate southward because of the fierce cold spells
    > that swept their habitats. Their flocks froze in the harsh cold, and
    > they went in search of other areas where they could make a living.
    >
    > Ellenblum points out that the climatic events – severe droughts in the
    > Levant and the Nile Valley, and cold spells in the north – reached
    > their apex in the 1050s. During that decade, the cold spells and
    > droughts simultaneously pummeled the whole Eastern Mediterranean basin.
    >
    > “The entire region, from Baghdad all the way to Constantinople, filled
    > up with nomads – some of whom had migrated 1,500-2,000 kilometers.
    > They conquered and looted everything they came across, and caused a
    > cultural collapse,” he says.
    >
    > Byzantium, too, was also contending with an invasion of tribes of
    > Turcoman origin – the Pechenegs and the Uzes. These tribes came to the
    > region from the direction of Ukraine via the Balkans. According to
    > Ellenblum, these tribes too went southward following a series of harsh
    > winters.
    >
    > *’Economic crisis’*
    >
    > In the years 1045-1080, the invasion of the nomads who had penetrated
    > Byzantium from the north led to a reduction of its territory to a
    > tenth of what it had been until then. The nomadic tribes conquered
    > broad areas in the Balkans and Asia Minor, “which never went back to
    > being part of the Byzantine Empire,” Ellenblum says.
    >
    > While Byzantium battled the invaders from the north, nomadic tribes
    > from the Arabian Peninsula arrived in North Africa. During the
    > previous millennium, there were extensive and fertile farmlands in
    > North Africa, which at their height provided a large share of Rome’s
    > food. The nomads destroyed Kairouan, a key city in North Africa ?(now
    > part of Tunisia?). “The whole agricultural province of North Africa
    > was abandoned in that period,” Ellenblum says. As early as the 14th
    > century, the Muslim historian and social scholar Ibn Khaldun accused
    > the nomads of destroying the rich region of North Africa. Many modern
    > historians followed suit, Ellenblum notes, but he also says the nomads
    > who reached North Africa were themselves victims of the Middle East
    > shortages in the 1050s. He adds that similar phenomena occurred in the
    > Negev as well. “I and some of my colleagues think that agriculture had
    > been practiced in the Negev up until that time, but then it stopped.”
    >
    > In that decade, the populace of Egypt suffered droughts and terrible
    > hunger. The phenomenon recurred later on, between 1065 and 1072.
    > “Fustat, which had been the capital of Egypt and whose population had
    > numbered hundreds of thousands, was almost completely abandoned during
    > the famines of 1052-1059 and 1065-1072,” Ellenblum says. The rule of
    > the Caliph, who prior to the famine was one of the strongest rulers in
    > the region, deteriorated then. For the first time in the history of
    > Egypt – which in the past had served as the breadbasket of the
    > Mediterranean – the government had to turn to Byzantium for help and
    > ask for wheat shipments. But the rulers of Byzantium were in serious
    > crisis at the time and unable to provide the food support they
    > promised to send. Ultimately, the ruler’s palace in Egypt was looted
    > of its treasures by soldiers who had not been paid.
    >
    > In contrast to Baghdad, Byzantium and North Africa, the economic
    > crisis in Egypt during the 1050s did not lead to a change of
    > government, but the small Christian population and the nomadic
    > population in the region grew significantly.
    >
    > Even if the climatic aspects are central to Ellenblum’s study, he has
    > based his thesis solely on historical documents. “According to climate
    > studies, around the years 1000-1100 there were relatively hot
    > temperatures in Europe and the northern Atlantic Ocean. The data also
    > hint at low average temperatures in western Asia,” he observes.
    > “However, every such measurement of short-term catastrophes contains
    > an inaccuracy that does not permit us to establish when an extreme
    > climate event occurred, how powerful it was and which area it
    > affected, and usually the inaccuracy is longer than the catastrophe
    > itself.”
    >
    > Ellenblum relied on 11th-century documents, letters, bureaucratic
    > papers and chronicles from various areas of the Eastern Mediterranean
    > basin, in 12 languages. “There isn’t a single scholar who can read all
    > 12 languages in which they wrote in the region in that era,” he says.
    > “Some of the documents I read on my own, and in decoding some of the
    > texts I availed myself of translations and colleagues with the
    > appropriate background. Ultimately, I took all the information I could
    > get – thousands of texts, all of which describe in a consistent and
    > analogous manner the same extreme events.”
    >
    > One of his main conclusions is that “the strongest factor in all of
    > these upheavals is food prices. That is the great engine through which
    > climate impacts the population. The moment that food prices go up,
    > agitation begins. In the past two years the food prices in the world
    > have gone up steeply, and they are continuing to go up. The reasons
    > for this are economic, but extreme events such as drought in the
    > Midwestern United States or floods in Australia play a part in the
    > rise of food prices.”
    >
    > According to Prof. Ellenblum, “this is an important part of the
    > explanation for what is happening around us today.”
    >

  • Arctic Methane Leak Research Looks For Signs Of Accelerating Climate Change

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    Huffington Post
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    Methane emissions in the pre-industrial era
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    Do ice-core bubbles indicate man-made global warming during Roman times?
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    Examiner.com
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    Kevin’s McCloud of bio gas
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    UA research team receives NASA grant to study methanogens in Martian
    Fayetteville Flyer
    In 2004, scientists discovered methane in the Martian atmosphere, and immediately the question of the source became an important one. “When they made that discovery, we were really excited because you ask the question ‘What’s the source of that
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    Fayetteville Flyer
    Gassed Louisiana sinkhole family human rights plea exposes coverup
    Examiner.com
    That event set into motion the most vigorous methane eruption in modern history, according to John Kessler of Texas A & M University, one that might be impacting a growing number of south Louisiana residents. The leaking oil contains 40% methane, much
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    Examiner.com

     

    Web 2 new results for METHANE
    Arctic Methane Leak Research Looks For Signs Of Accelerating
    From Climate Central’s Michael D. Lemonick: It’s been called the Methane Bomb — a stash of gas buried under the Arctic seafloor whose heat-trapping power is
    www.huffingtonpost.com/…/arctic-methane-leaks_n_1947762…
    Study reveals ancient greenhouse gas emissions – Los Angeles Times
    Although the quantity of methane produced back then pales in comparison with the emissions “But the amount of methane emitted per person was significant.
    articles.latimes.com/…/la-sci-humans-climate-change-2012100…

     


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