Scientists are “re-wilding islands and even continents” in order to remedy sickened or damaged ecosystems. In one example of re-wilding ecosystems, scientists introduced a species of giant tortoise, from Aldabra Atoll in the Seychelles, to take on the ecological role that was played by a similar species of giant tortoise that went extinct on Ile aux Aigrettes, which is an island associated with Mauritius. More via Scientific America:
In 1965 the largely denuded 25 hectares of [Ile aux Aigrettes] were declared a nature reserve. But even in the absence of logging, the slow-growing ebony forests failed to thrive. Why? Because they had lost the animals that ate their fruit and dispersed their seeds. So in 2000 scientists relocated four giant tortoises from the nearby Aldabra atoll in the Seychelles, and by 2009 a total of 19 such introduced tortoises roamed the island, eating the large fruits and leaving behind more than 500 dense patches of seedlings. The team reported its results in April in the journal Current Biology.
For this tiny island, at least, rewilding appears to have worked. And that holds out hope for other restoration ecology projects in the midst of the sixth mass extinction in the earth’s history. In Europe conservationists have received €3.1 million to begin bringing bison, bovines and horses back to “abandoned” agricultural lands in places such as western Spain or the Carpathian Mountains. Ecologists have proposed repopulating parts of the U.S. with elephants, which would replace extinct mastodons. The Dutch, for their part, have already built what amounts to a Pleistocene park at Oostvaardersplassen, adding Konik horses and Heck cattle to replace extinct wild horses and cattle.
Of course, humans have a mixed track record when it comes to interfering in natural ecological systems—the introduction of the cane toad to Australia to manage other pests has resulted in a frog march of havoc across the continent. “There are no guarantees when trying to manipulate nature,” notes ecologist Mark A. Davis of Macalester College in Minnesota. Others argue that humans should fix what they have broken. “There is no place on this planet that humans have not interfered with, and it is time for us to become actively involved in engineering solutions,” says marine biologist Ove Hoegh-Guldberg of the University of Queensland in Australia. “There are no other options except extinction at this point.”
The emerald ash borer was accidentally realsed into the United States from Asia. Since its release, the invasive beetle has been extremely destructive to native ash trees in the United States. Scientists travelled to China to study the emerald ash borer and to try and discover the emerald ash borer’s Achilles heel — or a parasite to be precise — by investigating the beetle’s life stages. They discovered various species of parasitic wasps that attack the emerald ash borer during the various stages of its life or during certains times of the year. As a result, in an attempt to slow down the beetle and to level the playing field, scientists are releasing these parasitic wasps to fight the emerald ash borer in the United States. An environmental assessment was conducted to determine whether the wasps would attack native species, and it was determined that the release of these insects would not significantly impact the natural environments of the United States.
Gasland, a documentary that tackles the environmental side effects associated with drilling for natural gas, is up for an Oscar for the best documentary feature at the Academy Awards ceremony tomorrow. Not surprisingly, the fossil-fuel industry attacked the claims that are made in the documentary. However, given the history of environmental litigation that’s associated with fossil-fuel companies and their wrongdoings, the efforts of fossil-fuel companies to circumvent and stifle environmental regulations, and the known environmental crimes that have been committed against the human environment by the fossil-fuel industry, I believe that claims made by the fossil-fuel industry should be taken with a grain of salt. Here is a review of Gasland via Scientific American (a comprehensive review of claims made in Gasland can be found at Greenwire):
Scientific American got its hands on a pre-release copy of the film months before it aired on HBO, and the movie convinced me to write a feature article investigating the claims of fracking critics and promoters. After doing my own research and interviews, it became apparent that, like most documentaries, Gasland revealed surprising facts, amplified a few, and chose to gloss over a couple others. What writer and producer Josh Fox did achieve, regardless, was to blow the lid off the secrecy that kept most local residents, not to mention scientists and regulators, in the dark about the chemicals used in fracking and their possible effects. And he certainly put me on the reporting trail.
[Josh Fox] spends a lot of time on three Colorado households who can all set their water on fire. All three cases were investigated by Colorado’s Department of Natural Resources, and while one was indeed traced to fracking, the other two apparently have nothing to do with it. One homeowner had inadvertently drilled his well through four coal beds, which contained natural gas.
Regardless of the arguments, will Gasland take home the Oscar? It seems unlikely that arguments about its accuracy will sway the Academy much. But for the record, my money’s on Banksy.
“Gasland” is up for best documentary at Sunday’s Academy Awards ceremony. Director Josh Fox’s dark portrayal of greedy energy companies, sickened homeowners and oblivious regulators has stirred heated debate among the various stakeholders in a natural gas boom that is sweeping parts of the U.S. The film has galvanized anti-drilling activists while drawing complaints about its accuracy and objectivity.
In a letter to the academy, Lee Fuller, the executive director of an industry-sponsored group named Energy In Depth, called “Gasland” an “expression of stylized fiction” with “errors, inconsistencies and outright falsehoods.”
He asked the academy to consider “remedial actions” against the film.
Davis, the executive director, wrote to Fuller that if the academy were to act on every complaint made about a nominated film, “it would not be possible even to have a documentary category.” He said the academy must “trust the intelligence of our members” to sort out fact from fiction.
. . .
Fox said the industry’s campaign against “Gasland” has backfired.
“What they’re doing is calling more attention to the film, so I think it works against them,” the director said from Los Angeles. “But I think it shows how aggressive they are, how bullying they are, and how willing they are to lie to promote the falsehood that it’s OK to live in a gas drilling area.”
The documentary category is no stranger to controversy. Michael Moore films like “Bowling for Columbine” and “Sicko,” as well as Al Gore’s 2006 global-warming tale, “An Inconvenient Truth,” have likewise been attacked as biased and inaccurate.
When the article was published on Friday night, it was the first time an industry spokesperson deployed a shift in strategy from the industry’s standard denials and repeated assertions that fracking is safe, despite the numerous reports of problems, such as flammable water, contamination of drinking water, trucks leaking toxic and radioactive waste-water on public highways, the pollution of streams, as well as fires, and explosions in which people have been injured.
“We have to stop blaming documentaries and take a look in the mirror,” Matt Pitzarella, a spokesman for gas producer Range Resources Corp., was quoted as saying in WSJ.
However, if you go to the article, you won’t find Pitzarella’s statement because within the hour the quote disappeared, say citizen journalists, who screen captured it and posted it on Twitter. Gasland director Fox, in Los Angeles, awaiting Sunday night’s Oscar ceremony, has the screen shot of the original version. He also has questions:
“Why did this key quote disappear from the article? Why did the WSJ censor its own piece ? Does the Gas industry get to edit the Wall Street Journal?” Fox wondered. “Who pulled the quote?”
It’s more innocuous replacement from Tom Price, a Chesapeake Vice-President reads, “We need to be able to respond objectively and accurately.”
. . .
Although it’s unknown who ordered the yanking of the quote published in the Wall Street Journal, the appearance of censorship, whatever its source, does little to restore public confidence in either the industry reported on, or the media outlet doing the reporting.
Meanwhile citizens are rooting for Gasland to win the Oscar Sunday night at nationwide Gasland parties, and by writing letters to President Obama, asking for a nation-wide moratorium on fracking and safety studies. To learn more and participate, go here.
Given the large amount of water that must be used and transported during the hydrofracking process (“fracing a typical Chesapeake horizontal deep shale gas well requires an average of 4.5 million gallons per well“), the large amounts of chemicals that must be produced and used in hydrofracking, and the large amount of diesel fuel that is used in hydrofracking, I’m interested in seeing data that compares the energy input that’s required to extract natural gas during the hydrofracking process against the actual energy that’s extracted from the ground in the form of natural gas. Considering the likely high costs to the human environment and to human health, it seems to me, that if the energy return is slight or even in the negative, then why do politicians allow natural-gas drilling in such an extreme and gross negligent manner without reasonable precautions to protect the environment. Of course, the answer is money in the form of profits and subsidies. However, the price paid to land owners and the price paid for natural gas by consumers vastly undervalues and ignores the human and environmental impacts that occur during and after the drilling process.
Another problem with hydrofracking is wastewater treatment. Wastewater contains carcinogens and radioactive elements, and since “radioactivity in drilling waste cannot be fully diluted in rivers and other waterways,” it appears that wastewater from hydrofracking is a threat to drinking water supplies and to public health. Via the New York Times (emphasis added):
With hydrofracking, a well can produce over a million gallons of wastewater that is often laced with highly corrosive salts, carcinogens like benzene and radioactive elements like radium, all of which can occur naturally thousands of feet underground. Other carcinogenic materials can be added to the wastewater by the chemicals used in the hydrofracking itself.
While the existence of the toxic wastes has been reported, thousands of internal documents obtained by The New York Times from the Environmental Protection Agency, state regulators and drillers show that the dangers to the environment and health are greater than previously understood.
The documents reveal that the wastewater, which is sometimes hauled to sewage plants not designed to treat it and then discharged into rivers that supply drinking water, contains radioactivity at levels higher than previously known, and far higher than the level that federal regulators say is safe for these treatment plants to handle.
Other documents and interviews show that many E.P.A. scientists are alarmed, warning that the drilling waste is a threat to drinking water in Pennsylvania. Their concern is based partly on a 2009 study, never made public, written by an E.P.A. consultant who concluded that some sewage treatment plants were incapable of removing certain drilling waste contaminants and were probably violating the law.
The Times also found never-reported studies by the E.P.A. and a confidential study by the drilling industry that all concluded that radioactivity in drilling waste cannot be fully diluted in rivers and other waterways.
But the E.P.A. has not intervened. In fact, federal and state regulators are allowing most sewage treatment plants that accept drilling waste not to test for radioactivity. And most drinking-water intake plants downstream from those sewage treatment plants in Pennsylvania, with the blessing of regulators, have not tested for radioactivity since before 2006, even though the drilling boom began in 2008.
In other words, there is no way of guaranteeing that the drinking water taken in by all these plants is safe.
That has experts worried.
“We’re burning the furniture to heat the house,” said John H. Quigley, who left last month as secretary of Pennsylvania’s Department of Conservation and Natural Resources. “In shifting away from coal and toward natural gas, we’re trying for cleaner air, but we’re producing massive amounts of toxic wastewater with salts and naturally occurring radioactive materials, and it’s not clear we have a plan for properly handling this waste.”
In the weeks after the Deepwater Horizon disaster, BP—with the consent of federal regulators—spread 1.8 million gallons of dispersants on the surface of the Gulf and at the wellhead a mile below. Using dispersants in this volume and at this depth was unprecedented, and there wasn’t a great understanding of the implications. Now a new report indicates that some of the chemical components of the dispersants might remain in the Gulf for months.
Traces of the dispersant compound were found in September more than 150 miles from the well site, researchers with the Woods Hole Oceanographic Institution said in their report.
The levels found in ocean samples were extremely low, however — just a few parts per billion — and past studies suggest that such concentrations do not pose a significant threat to sea life, said Elizabeth B. Kujawinski, lead author of the study, which will appear in the journal Environmental Science & Technology.
“Everything that has been done in the past would suggest that the concentrations that were down there were not toxic,” Dr. Kujawinski said in an interview.
BP used at least “1.9 million gallons of widely banned toxic dispersants” to treat the 4.9 million barrels of oil that leaked into the Gulf of Mexico from the Deepwater Horizon drilling-rig disaster, and the consequences of treating the oil with dispersants has the potential to make both people and wildlife sick. Via Dahr Jamail at Aljazeera.net:
Naman, who works at the Analytical Chemical Testing Lab in Mobile, Alabama, has been carrying out studies to search for the chemical markers of the dispersants BP used to both sink and break up its oil.
According to Naman, poly-aromatic hydrocarbons (PAHs) from this toxic mix are making people sick. PAHs contain compounds that have been identified as carcinogenic, mutagenic, and teratogenic.
Fisherman across the four states most heavily affected by the oil disaster - Louisiana, Mississippi, Alabama, and Florida - have reported seeing BP spray dispersants from aircraft and boats offshore.
“The dispersants are being added to the water and are causing chemical compounds to become water soluble, which is then given off into the air, so it is coming down as rain, in addition to being in the water and beaches of these areas of the Gulf,” Naman added.
“I’m scared of what I’m finding. These cyclic compounds intermingle with the Corexit [dispersants] and generate other cyclic compounds that aren’t good. Many have double bonds, and many are on the EPA’s danger list. This is an unprecedented environmental catastrophe.”
. . .
Gruesome symptoms
“I started to vomit brown, and my pee was brown also,” Matsler, a Vietnam veteran who lives in Dauphin Island, said. “I kept that up all day. Then I had a night of sweating and non-stop diarrhea unlike anything I’ve ever experienced.”
He was also suffering from skin rashes, nausea, and a sore throat.
At roughly the same time Matsler was exposed, local television station WKRG News 5 took a water sample from his area to test for dispersants. The sample literally exploded when it was mixed with an organic solvent separating the oil from the water.
Naman, the chemist who analyzed the sample, said: “We think that it most likely happened due to the presence of either methanol or methane gas or the presence of the dispersant Corexit.”
“I’m still feeling terrible,” Matsler told Al Jazeera recently. “I’m about to go to the doctor again right now. I’m short of breathe, the diarrhea has been real bad, I still have discoloration in my urine, and the day before yesterday, I was coughing up white foam with brown spots in it.”
As for Matsler’s physical reaction to his exposure, Hugh Kaufman, an EPA whistleblower and analyst, has reported this of the effects of the toxic dispersants:
“We have dolphins that are hemorrhaging. People who work near it are hemorrhaging internally. And that’s what dispersants are supposed to do…”
By the middle of last summer, the Alabama Department of Public Health said that 56 people in Mobile and Baldwin counties had sought treatment for what they believed were oil disaster-related illnesses.
“The dispersants used in BP’s draconian experiment contain solvents such as petroleum distillates and 2-butoxyethanol,” Dr. Riki Ott, a toxicologist, marine biologist, and Exxon Valdez survivor, told Al Jazeera.
“Solvents dissolve oil, grease, and rubber,” she continued, “Spill responders have told me that the hard rubber impellors in their engines and the soft rubber bushings on their outboard motor pumps are falling apart and need frequent replacement.”
“Given this evidence, it should be no surprise that solvents are also notoriously toxic to people, something the medical community has long known,” Dr. Ott added.
“In ‘Generations at Risk’, medical doctor Ted Schettler and others warn that solvents can rapidly enter the human body. They evaporate in air and are easily inhaled, they penetrate skin easily, and they cross the placenta into fetuses. For example, 2- butoxyethanol (in Corexit) is a human health hazard substance; it is a fetal toxin and it breaks down blood cells, causing blood and kidney disorders.”
Pathways of exposure to the dispersants are inhalation, ingestion, skin, and eye contact. Health impacts include headaches, vomiting, diarrhea, abdominal pains, chest pains, respiratory system damage, skin sensitization, hypertension, central nervous system depression, neurotoxic effects, genetic mutations, cardiac arrhythmia, and cardiovascular damage.
Even the federal government has taken precautions for its employees. US military officials decided to reroute training flights in the Gulf region in order to avoid oil and dispersant tainted-areas.
Corexit 9527, considered by the EPA to be an acute health hazard, is stated by its manufacturer to be potentially harmful to red blood cells, the kidneys and the liver, and may irritate eyes and skin.[14][24] The chemical 2-butoxyethanol, found in Corexit 9527, was identified as having caused lasting health problems in workers involved in the cleanup of the Exxon Valdez oil spill.[25] According to the Alaska Community Action on Toxics, the use of Corexit during the Exxon Valdez oil spill caused people “respiratory, nervous system, liver, kidney and blood disorders”.[16] Like 9527, 9500 can cause hemolysis (rupture of blood cells) and may also cause internal bleeding.[4]
According to the EPA, Corexit is more toxic than dispersants made by several competitors and less effective in handling southern Louisiana crude.[26] On May 20, 2010, the EPA ordered BP to look for less toxic alternatives to Corexit, and later ordered BP to stop spraying dispersants, but BP responded that it thought that Corexit was the best alternative and continued to spray it.[3]
Reportedly Corexit may be toxic to marine life and helps keep spilled oil submerged. There is concern that the quantities used in the Gulf will create ‘unprecedented underwater damage to organisms.’[27] Nalco spokesman Charlie Pajor said that oil mixed with Corexit is “more toxic to marine life, but less toxic to life along the shore and animals at the surface” because the dispersant allows the oil to stay submerged below the surface of the water.[28] Corexit 9500 causes oil to form into small droplets in the water; fish may be harmed when they eat these droplets.[4] According to its Material safety data sheet, Corexit may also bioaccumulate, remaining in the flesh and building up over time.[29] Thus predators who eat smaller fish with the toxin in their systems may end up with much higher levels in their flesh.[4]
According to the working paper, a lack of studies on dispersant toxicity meant that the Coast Guard’s Thad Allen, EPA’s Lisa Jackson, and NOAA’s Jane Lubchenco were “seriously handicapped” when deciding whether the chemicals should be used. “Because federal agencies had failed to plan adequately, they did not possess the scientific information that officials most certainly would have wanted to guide their choices.” But the paper concludes that their decision to use dispersants was reasonable under the circumstances, noting that the trio quickly consulted with a group of 50 experts. So far, the use of dispersants appears to have had greater benefit than cost.
The appeal of dispersants is that they break up oil into small droplets, which are less harmful to birds and other wildlife. The droplets are also thought to break down faster. And releasing dispersants at the gushing wellhead was intended to help protect workers on the surface by reducing the amount of oil and associated volatile organic compounds. The problem was the lack of adequate toxicity data on the dispersants themselves. Officials didn’t know the possible impacts on marine life, given the hundreds of thousands of gallons being used over several months (more than 2.5 million in all). They also didn’t know the relative toxicity of the various dispersants.
The commission staff members also concluded that the lack of planning led to delays in response; according to interviews with Coast Guard responders, EPA field staff hadn’t been delegated the authority to grant permission for dispersants to be used and were inexperienced with dispersants, thus delaying the response. The Coast Guard sources also felt that “EPA scientists with such experience were not being adequately consulted in EPA’s decision-making process.”
Scientists are “re-wilding islands and even continents” in order to remedy sickened or damaged ecosystems. In one example of re-wilding ecosystems, scientists introduced a species of giant tortoise, from Aldabra Atoll in the Seychelles, to take on the ecological role that was played by a similar species of giant tortoise that went extinct on Ile aux Aigrettes, which is an island associated with Mauritius. More via Scientific America:
