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Should You Eat Chicken? - NYTimes.com - 0 views

www.nytimes.com/...an-should-you-eat-chicken.html us technology
shared by Gene Ellis on 09 Jan 14 - No Cached
  • U.S.D.A. does not stand alone. The Food and Drug Administration (F.D.A.), knowing that manufacturers grow animals under conditions virtually guaranteed to breed disease, allows them to attempt to ward off disease by feeding them antibiotics from birth until death. (This despite the stated intention of the agency to change that, and a court order requiring it to.)
  • About a quarter of all chicken parts are contaminated,
  • The F.D.A. must disallow the use of prophylactic antibiotics in animal production.
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  • The U.S.D.A. must consider salmonella that’s been linked to illness an “adulterant” (as it does strains of E. coli), which would mean that its very presence on foods would be sufficient to take them off the market. Again, it’s almost as simple as that. (Sweden produces chicken with zero levels of salmonella. Are they that much smarter than us?)
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A Disease Cuts Corn Yields - NYTimes.com - 0 views

www.nytimes.com/...-disease-cuts-corn-yields.html GM
shared by Gene Ellis on 09 Jan 14 - No Cached
  • No one is certain why Goss’s wilt has become so rampant in recent years. But many plant pathologists suspect that the biggest factor is the hybrids chosen for genetic modification by major seed companies like Monsanto, DuPont and Syngenta. “My theory is that there were a couple of hybrids planted that were selected because they had extremely high yield potentials,” said Dr. Robertson, whose research is financed by Monsanto and the Agriculture Department. “They also may have been highly susceptible to Goss’s wilt.”
  • About 90 percent of the corn grown in the United States comes from seeds that have been engineered in a laboratory, their DNA modified with genetic material not naturally found in corn species. Almost all American corn, for instance, is now engineered to resist the powerful herbicide glyphosate (often sold as Roundup), so farmers can kill weeds without killing their corn.
  • As farmers grow more corn to satisfy the demand for ethanol, they are rotating it less frequently with other crops.
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  • “One of the best management techniques for controlling Goss’s wilt is crop rotation — corn, then soy or another crop,” Mr. Anderson said.
  • nother possible factor is the growth of no-till farming, which leaves cornstalks, on which the bacteria can linger, to decay in the field after harvesting, rather than being plowed under.
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Red, Green, and Blue | Patriotism that loves our country, our land, and our planet - 0 views

redgreenandblue.org/...for-wine-a-sad-day-for-science GM wine
shared by Gene Ellis on 09 Jan 14 - No Cached
  • What is ironic is that these vines represented about the least scary GMO crop imaginable.  They were engineered to be resistant to a disease called Fan Leaf Virus that is spread by nematodes that live in the soil.  Back before people understood this disease it was unintentionally spread to many grape-growing areas.  Once a given vineyard is contaminated with the nematodes and virus, grapes will only survive for a few years on that site before declining and dying.  Some of the best wine production areas around the world are seriously compromised this way, and there has been no lasting cure.
  • at was being tested in Colmar was a “rootstock.”  All grapes are cuttings of the desired variety (Gewurtztraminer, Cabernet, Chardonnay…) grafted on to a root that is resistant to various pests.  The Colmar roots would have also been resistant to the virus.  The top of the vine (all that is above ground) would be exactly like all the neighboring vineyards.  In theory the grapes wouldn’t die in a few years (that is what the researchers were hoping to demonstrate).
  • but this same irrationality is hindering efforts to provide things like virus resistant Cassava to poor farmers in Africa or virus resistant Papayas to people in Thailand. 
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There's only one cure for the eurozone's terminal disease | Business Spectator - 0 views

www.businessspectator.com.au/...ure-eurozones-terminal-disease
shared by Gene Ellis on 18 Feb 15 - No Cached
  • There is a plausible resolution to this dilemma but it is one that is politically unfeasible. The logical steps would be for these countries to either leave the eurozone and take control of their own affairs, or to declare a default on some or all of their public debt -- or indeed do both. Unfortunately, none of these options are allowed to happen.
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Fear of Fracking by Jeffrey Frankel - Project Syndicate - 0 views

www.project-syndicate.org/...o-shale-gas-by-jeffrey-frankel fracking
shared by Gene Ellis on 19 Apr 13 - No Cached
  • CAMBRIDGE – Against all expectations, US emissions of carbon dioxide into the atmosphere, since peaking in 2007, have fallen by 12% as of 2012, back to 1995 levels. The primary reason, in a word, is “fracking.”
  • Just ten years ago, the natural-gas industry was so sure that domestic production was reaching its limit that it made large investments in terminals to import liquefied natural gas (LNG). Yet fracking has increased supply so rapidly that these facilities are now being converted to export LNG.
  • Natural gas emits only half as much CO2 as coal, and occupies a rapidly increasing share of electricity generation – up 37% since 2007, while coal’s share has plummeted by 25%.
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  • Meanwhile, the share of coal – the dirtiest fuel – has been rising, not falling, in the rest of the world’s energy mix.
  • Moving beyond economics, America’s reduction in net energy imports – which have already fallen by one-half since 2007 – means that its foreign policy will be less constrained by events in the Middle East. In Europe, the new technology could similarly break Russia’s politically troublesome stranglehold on natural-gas supplies.
  • Put differently, if the world continues to build coal-fired power plants at the current rate, those plants will still be around in 2050, regardless of what other technologies become viable in the meantime.
  • Even a serious fracking mishap would be unlikely to cause as much damage as the Deepwater Horizon oil spill in 2010, the Fukushima nuclear catastrophe in 2011, or coal-mining tragedies that play out dramatically in frequent explosions and collapses (and more insidiously in the form of lung disease, water pollution, and soil erosion).
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Death and Disease from Power Plants - Clean Air Task Force (CATF) - 0 views

www.catf.us/...existing oil & coal impact
shared by Gene Ellis on 10 Jan 14 - No Cached
  • The report finds that over 13,000 deaths each year are attributable to fine particle pollution from U.S. power plants. This is almost half the impact that our 2004 study found and is reflective of the impact that state and federal actions have had in reducing power plant emissions by roughly half. However, much more still needs to be done.
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Tracing Germs Through the Aisles - NYTimes.com - 0 views

www.nytimes.com/...-germs-through-the-aisles.html antibiotic animals
shared by Gene Ellis on 10 Jan 14 - No Cached
  • More than 70 percent of all the antibiotics used in the United States are given to animals.
  • Agribusiness groups disagree and say the main problem is overuse of antibiotic treatments for people. Bugs rarely migrate from animals to people, and even when they do, the risk they pose to human health is negligible, the industry contends.
  • He is comparing the genetic sequences of E. coli germs resistant to multiple antibiotics found in the meat samples to the ones that have caused urinary tract infections in people (mostly women).
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  • Urinary infections were chosen because they are so common. American women get more than eight million of them a year. In rare cases the infections enter the bloodstream and are fatal.
  • A new strain of the antibiotic-resistant bug MRSA, for example, was first detected in people in Holland in 2003, and now represents 40 percent of the MRSA infections in humans in that country, according to Jan Kluytmans, a Dutch researcher. That same strain was common in pigs on farms before it was found in people, scientists say.
  • He thinks the Food and Drug Administration’s efforts to limit antibiotic use on farms have been weak. In 1977, the F.D.A. said it would begin to ban some agricultural uses of antibiotics. But the House and Senate appropriations committees — dominated by agricultural interests — passed resolutions against the ban, and the agency retreated. More recently, the agency has limited the use of two important classes of antibiotics in animals. But advocates say it needs to go further and ban use of all antibiotics for growth promotion. Sweden and Denmark have already done so.
  • Ms. Slaughter said aggressive lobbying by agribusiness interests has played a major role in blocking passage of legislation.
  • But the economics of food presents perhaps the biggest obstacle. On large industrial farms, animals are raised in close contact with one another and with big concentrations of bacteria-laden feces and urine. Antibiotics keep infections at bay but also create drug resistance.
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What If We Never Run Out of Oil? - Charles C. Mann - The Atlantic - 0 views

www.theatlantic.com/...4 oil
shared by Gene Ellis on 15 Jan 14 - No Cached
  • In most cases, mining tar sands involves drilling two horizontal wells, one above the other, into the bitumen layer; injecting massive gouts of high-pressure steam and solvents into the top well, liquefying the bitumen; sucking up the melted bitumen as it drips into the sand around the lower well; and then refining the bitumen into “synthetic crude oil.”
  • Economists sometimes describe a fuel in terms of its energy return on energy invested (EROEI), a measure of how much energy must be used up to acquire, process, and deliver the fuel in a useful form. OPEC oil, for example, is typically estimated to have an EROEI of 12 to 18, which means that 12 to 18 barrels of oil are produced at the wellhead for every barrel of oil consumed during their production. In this calculation, tar sands look awful: they have an EROEI of 4 to 7. (Steaming out the bitumen also requires a lot of water. Environmentalists ask, with some justification, where it all is going to come from.)
  • To obtain shale gas, companies first dig wells that reach down thousands of feet. Then, with the absurd agility of anime characters, the drills wriggle sideways to bore thousands of feet more through methane-bearing shale. Once in place, the well injects high-pressure water into the stone, creating hairline cracks. The water is mixed with chemicals and “proppant,” particles of sand or ceramic that help keep the cracks open once they have formed. Gas trapped between layers of shale seeps past the proppant and rises through the well to be collected.
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  • Water-assisted fracturing has been in use since the late 1940s, but it became “fracking” only recently, when it was married with horizontal drilling and the advanced sensing techniques that let it be used deep underground. Energy costs are surprisingly small; a Swiss-American research team calculated in 2011 that the average EROEI for fracked gas in a representative Pennsylvania county was about 87—about six times better than for Persian Gulf oil and 16 times better than for tar sands. (Fracking uses a lot of water, though, and activists charge that the chemicals contaminate underground water supplies.)
  • Today, a fifth of U.S. energy consumption is fueled by coal, mainly from Appalachia and the West, a long-term energy source that has provided jobs for millions, a century-old way of life
  • and pollution that kills more than 10,000 Americans a year (that estimate is from a 2010 National Research Council study).
  • Roughly speaking, burning coal produces twice as much carbon dioxide as burning the equivalent amount of natural gas. Almost all domestic coal is used to generate electricity—it produces 38 percent of the U.S. power supply. Fracking is swiftly changing this: in 2011, utilities reported plans to shut down 57 of the nation’s 1,287 coal-fired generators the following year. Largely in consequence, U.S. energy-related carbon-dioxide emissions have dropped to figures last seen in 1995. Since 2006, they have fallen more than those from any other nation in the world.
  • In the sort of development that irresistibly attracts descriptors like ironic, Germany, often touted as an environmental model for its commitment to solar and wind power, has expanded its use of coal, and as a result is steadily increasing its carbon-dioxide output. Unlike Americans, Europeans can’t readily switch to natural gas; Continental nations, which import most of their natural gas, agreed to long-term contracts that tie its price to the price of oil, now quite high.
  • Several researchers told me that the current towel-snapping between Beijing and Tokyo over islands in the East China Sea is due less to nationalistic posturing than to nearby petroleum deposits.)
  • In mid-March, Japan’s Chikyu test ended a week early, after sand got in the well mechanism. But by then the researchers had already retrieved about 4 million cubic feet of natural gas from methane hydrate, at double the expected rate.
  • What is known, says Timothy Collett, the energy-research director for the USGS program, is that some of the gulf’s more than 3,500 oil and gas wells are in gas-hydrate areas.
  • In Dutch-disease scenarios, oil weakens all the pillars but one—the petroleum industry, which bloats steroidally.
  • Because the national petroleum company, with its gush of oil revenues, is the center of national economic power, “the ruler typically puts a loyalist in charge,” says Michael Ross, a UCLA political scientist and the author of The Oil Curse (2012). “The possibilities for corruption are endless.” Governments dip into the oil kitty to reward friends and buy off enemies. Sometimes the money goes to simple bribes; in the early 1990s, hundreds of millions of euros from France’s state oil company, Elf Aquitaine, lined the pockets of businessmen and politicians at home and abroad.
  • How much of Venezuela’s oil wealth Hugo Chávez hijacked for his own political purposes is unknown, because his government stopped publishing the relevant income and expenditure figures. Similarly, Ross points out, Saddam Hussein allocated more than half the government’s funds to the Iraq National Oil Company; nobody has any idea what happened to the stash, though, because INOC never released a budget. (Saddam personally directed the nationalization of Iraqi oil in 1972, then leveraged his control of petroleum revenues to seize power from his rivals.)
  • “How will the royal family contain both the mullahs and the unemployed youth without a slush fund?”
  • It seems fair to say that if autocrats in these places were toppled, most Americans would not mourn. But it seems equally fair to say that they would not necessarily be enthusiastic about their replacements.
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China Exports Pollution to U.S., Study Finds - NYTimes.com - 0 views

www.nytimes.com/...to-western-us-study-finds.html China exports pollution u s input_output
shared by Gene Ellis on 22 Jan 14 - No Cached
  • “We’re focusing on the trade impact,” said Mr. Lin, a professor in the department of atmospheric and oceanic sciences at Peking University’s School of Physics. “Trade changes the location of production and thus affects emissions.”
  • “Dust, ozone and carbon can accumulate in valleys and basins in California and other Western states,” the statement said.Black carbon is a particular problem because rain does not wash it out of the atmosphere, so it persists across long distances, the statement said. Black carbon is linked to asthma, cancer, emphysema, and heart and lung disease.
  • The study’s scientists also looked at the impact of China’s export industries on its own air quality. They estimated that in 2006, China’s exporting of goods to the United States was responsible for 7.4 percent of production-based Chinese emissions for sulfur dioxide, 5.7 percent for nitrogen oxides, 3.6 percent for black carbon and 4.6 percent for carbon monoxide.
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  • The scholars who gave emissions estimates for China’s export industries, a significant part of the country’s economy, looked at data from 42 sectors that are direct or indirect contributors to emissions. They included steel and cement production, power generation and transportation. Coal-burning factories were the biggest sources of pollutants and greenhouse gases, which contribute to global warming.
    • Gene Ellis
      Gene Ellis on 22 Jan 14
       
      Note:  here they have used input-output coefficients of sectors to calculate the effects...
  • In Japan, for instance, an environmental engineer has attributed a mysterious pestilence that is killing trees on Yakushima Island to pollutants from China.
  • Exports accounted for 24.1 percent of China’s entire economic output last year, down sharply from a peak of 35 percent in 2007, before the global financial crisis began to weaken overseas demand even as China’s domestic economy continued to grow.
  • But the proportion of China’s exports that are made in China has risen steadily in recent years as many companies move more of their supply chains, instead of just having final assembly work done here.
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