BREAKING: Uranium Banned After Centrifuge Crash
"Operators...started the auxiliary standby generator. The operators then made repeated attempts to tie the generator to the faulted EMCC [essential motor control center] but were initially unsuccessful."
No, that's not a description of desperate attempts to restore power at the stricken Daiichi nuclear reactors in Japan, after the earthquake and tsunami of March 11, 2011. Rather, it's a just-released description of frantic efforts to restore power at the test nuclear fuel supply project near Piketon, Ohio, three months later to the day, on June 11, 2011. The facility is run by USEC, Inc., the same company that supplied the uranium fuel that melted down inside the reactors at Fukushima.
For years, USEC has touted its whiz-zinger gargantuan uranium centrifuges, while pleading for likewise enormous federal bailouts to save the company from bankruptcy. But now it is documented that the project is more whiz than zing. The Nuclear Regulatory Commission (NRC) has extended a ban on USEC's use of uranium in test machines, following the crash of six centrifuges, with attendant safety violations, last June.
The order comes in a Nov. 15 letter and Nov. 21 report from NRC, following an inspection of mid-September that found three serious uncorrected conditions. NRC had barred USEC from using uranium in its demonstration "Lead Cascade" at the Department of Energy (DOE) site near Piketon as soon as NRC had been formally notified of the safety breaches on July 1.
This was kept exceptionally quiet, since USEC has needed to demonstrate the commercial viability of its technology, to qualify for a $2 billion federal loan guarantee. Running the centrifuges without uranium cannot yield the required data—namely yield, efficiency, cost and reliability. All summer and fall, with no uranium running and without public acknowledgment, USEC has literally been spinning its wheels.
USEC has misled investors and the public by implying that the purpose of its Lead Cascade was only to demonstrate that "the technology works," meaning that the centrifuges spin. My blender spins, the machines at the laundromat spin—spinning is no big whoop. USEC had to prove that its technology can beat the commercial competition, and that effort has now spun to a stop.
U.S. Senator Rob Portman (R-OH) belittled the June centrifuge crash as a "hiccup" back in July, when the story broke: "The hiccup at the plant a few weeks ago, I think that has been addressed...We believe all the technology questions about the refinements have been answered. Those should be behind us now."
Not so fast, Senator. According to NRC technical staff four months after your statement, despite the nuclear scare, it's a case of hiccups that hasn't gone away. Portman speaks about USEC using the first-person plural because as congressman from the district and as U.S. Trade Representative, he created the USEC financial mess by temporarily shielding USEC from foreign competition.
[This report is the third in a series on USEC's "American Centrifuge Plant." The first two installments are: Is Privatized Uranium Company Too Rigged to Fail? and Uranium Barter Revealed as USEC Bailout Scam]
Lead, Follow, or Collect $2 Billion
Based on conversations I had with NRC staff last summer, it was expected that the Lead Cascade would be back running hot immediately after a September inspection verified corrective actions. But now USEC has failed that inspection, and the ban on uranium use has been extended at least until after a follow-up review scheduled to begin in mid-January.
This might seem inconvenient for USEC, since Jan. 15 was set by USEC as the alleged final deadline for DOE's award of a "conditional commitment" on a loan guarantee, a deadline which, if not met, could cause withdrawal of the project's two remaining major investors—Toshiba and Babcock & Wilcox.
On the other hand, the January inspection date may have been set precisely with the financial deadline in mind, since NRC's report and findings were not shared with the investors or other interested parties (as is standard practice), and public notice was limited to unadvertised electronic posting on NRC's document system. That is, one had to guess it was there.
According to the NRC letter, it was USEC project manager Dan Rogers who set the "mid-January" date—an awfully long time from the June crash occurrence—even though the new date coincides with USEC's crucial financing deadline. Having been denied a second time for a DOE loan guarantee in mid-October, USEC has been intensely lobbying for both a $300 million bailout package that must be approved by Congress, and also for a "conditional commitment" on a loan guarantee, even if USEC knows it cannot meet the conditions set for an award. Could USEC be postponing its safety compliance, with attendant publicity of the uranium ban, until after hoped-for decisions by Congress, DOE, and investors?
If so, it would fit USEC's consistent delay pattern for the "Lead Cascade." On paper, the Lead Cascade, licensed by NRC in early 2004, was supposed to be a demonstration array of 240 centrifuges, data from which would justify full-scale commercialization of the so-called "American Centrifuge Plant" or ACP. That idea, however, remained only on paper, as USEC endlessly postponed the project, with the claim it had to "tweak" its machines for optimality. Indications now are that USEC intentionally put off the demonstration because it would reveal the technology as unworthy of pursuit, while the company continued to lobby for bailouts and collect government fees for contract services.
Crony Capitalism or Baloney State Socialism
By August of 2004, USEC had already submitted the license application for a commercial-scale plant of 11,000 centrifuges. NRC granted a commercial scale license for ACP in the spring of 2007, before the Lead Cascade even was initiated, over vocal protest on the point in question by yours truly.
I argued in a petition of intervention to NRC filed in 2005 that if NRC licensed a commercial plant before completion of the demonstration project, it would be a formula for project collapse, leaving the site contaminated and unavailable for alternative use. The "Lead Cascade" would have to be renamed "the Follow Cascade," as its purpose would be rendered moot.
That logic evaded the sharp minds of U.S. government regulators. By 2009, when USEC was demanding a DOE decision on a $2 billion loan guarantee, the Lead Cascade had a total of ten centrifuges running. That's ten, as in you could count them on your fingers.
Lead Cascade was "demobilized" (shut down) in August of 2009 for financial reasons, and its "remobilization" two months later was, again, only on paper. By 2011, when USEC was back demanding reconsideration of the loan guarantee, the number of centrifuges had been raised to a whopping 38, 16 percent of the required 240. Six of those 38 machines crashed (and will never again operate) in the loss-of-power incident on June 11, 2011. If such an incident were to affect a completed commercial-scale plant, it could mean the crash of more than 1,700 large centrifuges, with breaches of their housings, an eventuality never contemplated in 2007, when NRC granted USEC a 30-year construction and operation license.
Meanwhile, USEC has adamantly refused to disclose the reliability and efficiency data gleaned so far from its Lead Cascade, even though it asserts with no evidence that performance merits at least $2,300,000,000.00 in public assistance. Twice so far, DOE reviewers with access to the data have disagreed. Originally, USEC was contractually committed to complete the 240-machine test cascade by October, 2005. Six years later, the company is not close to completion, acknowledged by a proposed deal with DOE to initiate now a "Research, Development and Demonstration" (RD&D) project with $300 million of federal money.
RD&D was the precise definition of what the Lead Cascade was supposed to have accomplished six years ago, using company funds derived from many years of substantial federal subsidy. In the highly competitive business of uranium enrichment, with three domestic enrichment projects that all use newer more-efficient technology, no logical case for continued USEC support has been made.
The USEC Crash
As to what occurred on June 11, 2011, the belated NRC inspection report has disturbing echoes of Three Mile Island, Chernobyl and Fukushima, all rolled into one, albeit on a miniature scale.
As in the Fukushima disaster, a power outage precipitated a cascading sequence of adverse consequences, with standby generators not available on demand. As at Chernobyl, workers intentionally disabled safety systems as an emergency bypass. And as with Three Mile Island, control instrumentation had been poorly designed, confusing the operators and making them commit grave errors and second-guess the instruments. Though the nuclear industry likes to tout "lessons learned" from major accidents, the USEC Crash demonstrates that some nuclear operators, at least, are very poor learners.
One line from the inspection report eerily recapitulates descriptions of what precipitated the meltdowns at Fukushima:
"Operators...started the auxiliary standby generator. The operators then made repeated attempts to tie the generator to the faulted EMCC [essential motor control center] but were initially unsuccessful."
Likewise, at Fukushima, backup generators were successfully delivered by truck, but they could not be connected to the reactor complex system. Typically for nuclear disaster scenarios, one unforeseen circumstance led to others, worsened by insufficient or improper training of personnel:
"During the efforts to re-energize the EMCC, the shift supervisor at the scene responded to the UPS [uninterrupted power supply] panel to acknowledge a general trouble alarm. However, instead of acknowledging the alarm, the individual mistakenly;y opened a protective cover and actuated the UPS shutdown pushbutton."
That resulted in a direct interruption of power, which caused "multiple casing breaches" on the centrifuges, and "loss of all process indications, and operator controls in the main control room." Manual bypass of some safety systems in order to restore power then had the effect of disabling certain vital mechanisms, including the ventilation fan that disperses hydrogen gas from the battery room, which could have led to an explosion.
Throughout the "incident," employees displayed inadequate training and lack of familiarity with instruments and equipment. In discussions with NRC, USEC management showed a profound lack of appreciation for the severity of the problems, and for the steps necessary to correct them. That is why NRC has extended the ban on USEC's use of uranium in the Lead Cascade.
If the USEC Crash was a "hiccup" then Bhopal was a burp. And the gas release most conspicuous is Senator Rob Portman's unregulated emission of July, by which he claimed that USEC merits a federal loan guarantee, because its "technology questions...have been answered."
As damning as the NRC inspection report may be, the Commission failed to investigate or address the three most important questions raised by the USEC Crash:
1. Did USEC have foreknowledge of the shortcomings of its centrifuge technology, and was that foreknowledge the reason that USEC postponed deployment of the Lead Cascade, until DOE loan application reviewers forced a token deployment?
2. Has USEC's financial condition degenerated to the point where the company cannot afford adequate safety measures, and cannot be entrusted to handle nuclear materials or deploy sensitive nuclear technology? (USEC has had negative earnings throughout 2011, a debt-to-earnings ratio of a whopping 51.5, and a total market capitalization of $155 million, only 3 percent of the estimated total cost of a commercial-scale plant.)
3. Has USEC delayed reporting and investigation of the June crash in order to dupe government officials, investors, and the public into the award of a federal loan guarantee or other forms of financial bailout?
The seriousness of June 11, 2011 categorized it as a "24-hour event" under NRC regulations, requiring formal notification of the Commission within 24 hours, notification that would result in public posting. Indeed, USEC did immediately inform its chief political backers on Capitol Hill—Senators Rob Portman and Sherrod Brown (D-OH). Yet USEC waited 19 days, until July 1, before sending formal written notification to NRC, thus postponing any public posting of the event, scheduling of an inspection or restrictions on continued testing.
The notification of July 1, which was posted on July 6, was extraordinarily deficient. It failed to make any mention of the crash of six centrifuges, involving casing breach or even that the centrifuges were running uranium hexafluoride gas at the time.
The timing delay was critical, because USEC had set June 30 as the widely-publicized deadline for DOE to award a conditional commitment on a loan guarantee. It appears that USEC hoped that DOE would meet the deadline and grant an award, before the facts of the centrifuge crash became known.
On the deadline day, June 30, USEC issued a news release announcing a postponement of financing arrangements with investors and DOE, but giving no hint of the extraordinary occurrences earlier that month. And both U.S. Senators kept USEC's silence, maintaining their public support for a loan guarantee, while failing to inform their constituents of the accident sequence that had occurred on Piketon's public land.
Public knowledge of the USEC crash did not come until a news release was issued by the watchdog Southern Ohio Neighbors Group on July 7. The severity of the incident remained unreported at that time.
Throughout the summer and fall, USEC continued to press for a $2 billion loan guarantee and other forms of public and private investment, all the while withholding the details of what had happened in Piketon in June, and even while meeting with NRC inspectors to schedule follow-up that coincides with the next USEC-set financing deadline. USEC's last scheduled conference call with investors was canceled with no explanation. News that the Lead Cascade has been running, or not, with no uranium, and that the uranium ban has been extended indefinitely, has not made it into local or national media, and that information has not been part of the public debate about whether USEC should be given a federal loan guarantee.
I am reminded of the dictionary definition of chutzpah as the quality possessed by one who murders both his parents, then pleads for mercy from the court on grounds that he is an orphan. USEC's request for a $300 million federal grant for completion of its Lead Cascade now rests with the leaders of the U.S. Congress as they haggle over appropriations for 2012. Central to the decision-making is Speaker of the House John Boehner, whose congressional district neighbors that of Piketon.
The inestimable Jean Schmidt (D-OH), whose district includes Piketon, summarized the USEC situation by saying: "It's a duh." The word is dud, Ms. Schmidt, with a 'd.'
By Tara Lohan
Our plastic pollution problem has reached new heights and new depths.
Scientists have found bits of plastic on the seafloor, thousands of feet below the ocean's surface. Plastic debris has also washed ashore on remote islands; traveled to the top of pristine mountains; and been found inside the bodies of whales, turtles, seabirds and people, too.
1. There’s a lot of it.<p>In a September study published in <em>Science </em>about the growth of plastic waste, an international team of researchers estimated that 19 to 23 million metric tons — or 11% of plastic waste generated — ended up in aquatic ecosystems in 2016. And even with countries pledging to help cut waste or better manage it, the amount of plastic pollution is <a href="https://science.sciencemag.org/content/369/6510/1515" target="_blank" rel="noopener noreferrer">likely to double</a> in the next 10 years.</p><p>A <a href="https://science.sciencemag.org/content/369/6510/1455" target="_blank">study</a> about solutions to plastic waste, published in the same issue, attributed the plastic pollution epidemic to a rise in single-use plastic and "an expanding 'throw-away' culture." The researchers also found that waste-management systems simply can't deal with the onslaught of plastic, which is why so much of it ends up in the environment. We now know that only <a href="https://www.nationalgeographic.org/article/whopping-91-percent-plastic-isnt-recycled/" target="_blank">9% of the plastic products</a> we use actually get recycled.</p>
2. The United States is a big culprit.<p>Plastic pollution is a global problem, but the United States plays an outsized role. In 2016 the United States was responsible for more plastic waste than any other country, a <a href="https://advances.sciencemag.org/content/6/44/eabd0288" target="_blank">new study</a> in <em>Science Advances</em> found. Some of that waste was dumped illegally within the country and some was shipped to other countries that lacked the necessary infrastructure to handle it.</p><p>"The amount of plastic waste generated in the United States estimated to enter the coastal environment in 2016 was up to five times larger than that estimated for 2010, rendering the United States' contribution among the highest in the world," the researchers concluded. Part of that is because the United States ranks second in exporting plastic scrap.</p>
3. It threatens wildlife and ecosystems.<img lazy-loadable="true" src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDg3MTUwMi9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTYzMzE1MzM2MH0.YL5C-5GF2mq9OZBLSkcAnreq2Mai20DweKSNqeUSWM4/img.jpg?width=980" id="20233" class="rm-shortcode" data-rm-shortcode-id="3db4a05d5d417d925a770cf309db1db1" data-rm-shortcode-name="rebelmouse-image" />
A giant otter plays with a plastic bottle. Paul Williams / CC BY-NC 2.0<p>Out of sight (for Americans) is <em>not </em>out of mind — and definitely not out of our waterways. An estimated 700 marine species and 50 freshwater species have either ingested plastic or been entangled in it.</p><p>"If we don't get the plastic pollution problem in the ocean under control, we threaten contaminating the entire marine food web, from phytoplankton to whales," George Leonard, the Ocean Conservancy's chief scientist and coauthor of the September <em>Science </em>study about plastic waste's increase, <a href="https://www.nationalgeographic.com/science/2020/10/plastic-pollution-huge-problem-not-too-late-to-fix-it/" target="_blank">told <em>National Geographic</em></a>. "And by the time the science catches up to this, perhaps definitively concluding that this is problematic, it will be too late. We will not be able to go back. That massive amount of plastic will be embedded in the ocean's wildlife essentially forever."</p><p>Microplastics have also been found in terrestrial animals, soil, drinking water and, not surprisingly, <a href="https://www.forbes.com/sites/victoriaforster/2020/08/18/microplastics-found-in-human-organs-for-the-first-time/?sh=42994a4e16f2" target="_blank" rel="noopener noreferrer">in our own bodies</a>, although it's not clear yet just how dangerous that is for people.</p>
4. The fracking boom is producing a plastic boom.<p>Despite the known risks of plastic pollution and concern over its mounting presence in the environment, plastic production — driven by fossil fuels like fracked gas and its component chemicals — is on pace to increase by 40% in the next 10 years.</p><p>The American Chemistry Council <a href="https://www.americanchemistry.com/Shale-Infographic/" target="_blank" rel="noopener noreferrer">boasted that shale gas drilling is driving a surge</a> in plastic production, including the investment of more than $200 billion to fund new and expanded operations at 343 production plants in the United States.</p><p>On the ground this means more harmful pollution along the Gulf Coast's "Cancer Alley," where petrochemicals have been manufactured for decades in low-wealth communities of color. And it means the build-out of new facilities in Rust Belt states such as Ohio, Pennsylvania and West Virginia.</p><p>Fracking also causes harmful greenhouse gas emissions, like methane, to be released into the atmosphere — amplifying the climate crisis. The refining process and the incineration of plastic waste also further drives greenhouse emissions and hazardous pollution.</p>
A petrochemical plant in Houston's ship channel. Louis Vest / CC BY-NC 2.0
5. Solutions are multifaceted.<p><a href="https://www.dw.com/en/plastic-pollution-do-beach-cleanups-really-make-a-difference/a-46196975" target="_blank" rel="noopener noreferrer">Beach cleanups</a> tend to make headlines, but it's a losing battle as long as petrochemical companies keep producing so much plastic and we keep using plastic for products we're meant to toss after a single use.</p><p>The September study in <em><a href="https://science.sciencemag.org/content/369/6510/1455" target="_blank">Science</a></em> on plastic solutions found that it's possible to cut plastic pollution — perhaps as much as 80% by 2040 — but it will take systemic change both in reducing the amount of plastic produced and in better managing the waste stream.</p><p>Regulatory efforts can help this process, including by regulating plastic as a pollution source under the Clean Water Act.</p><p>Efforts to ban single-use plastics, as the European Union aims to do by 2021, are another positive step. So too are "<a href="https://therevelator.org/california-plastic-legislation/" target="_blank" rel="noopener noreferrer">circular economy laws</a>," which have been <a href="https://www.congress.gov/bill/116th-congress/house-bill/5845?q=%7B%22search%22%3A%5B%22H.R.5%22%5D%7D&s=1&r=5" target="_blank" rel="noopener noreferrer">introduced, but not yet passed</a>, in the United States.</p><p>These laws would halt the production of new petrochemical facilities and encourage businesses to take responsibility for the full lifecycle of the products they produce by requiring them to be reused, adequately recycled or composted.</p><p>Getting circular economy laws enacted, though, will mean enough public and political will to counter the petrochemical, fossil fuel and plastic industries.</p><p>At <em>The Revelator</em>, we'll keep covering the push for solutions to the plastic problem and new science to better understand the threats. And if you want to know more about how wildlife has already been affected, what laws could help, whether industry will be held accountable and more, check out these stories from our archives:</p><p><strong>Laws and Regulations</strong></p><p><strong></strong><a href="https://therevelator.org/plastic-pollution-warnings/" target="_blank">Plastic Pollution: Could We Have Solved the Problem Nearly 50 Years Ago?</a></p><p><a href="https://therevelator.org/clean-water-plastic/" target="_blank" rel="noopener noreferrer">How an Old Law Is Helping Fight New Plastic Problems</a></p><p><a href="https://therevelator.org/california-plastic-legislation/" target="_blank" rel="noopener noreferrer">New California Bill Could Revolutionize How the U.S. Tackles Plastic Pollution</a></p><p><a href="https://therevelator.org/plastic-pollution-laws/" target="_blank" rel="noopener noreferrer">What Laws Work Best to Cut Plastic Pollution?</a></p><p><a href="https://therevelator.org/plastic-illegal/" target="_blank" rel="noopener noreferrer">Can Plastic Ever Be Made Illegal?</a></p><p><strong>Impacts</strong></p><p><a href="https://therevelator.org/toxic-plastic-pollution-food-chain/" target="_blank" rel="noopener noreferrer">Something Fishy: Toxic Plastic Pollution Is Traveling Up the Food Chain</a></p><p><a href="https://therevelator.org/plastic-pollution-ship-shore/" target="_blank" rel="noopener noreferrer">Plastic Pollution: From Ship to Shore</a></p><p><a href="https://therevelator.org/plastics-fracking-climate/" target="_blank" rel="noopener noreferrer">Plans to Turn America's Rust Belt Into a New Plastics Belt Are Bad News for the Climate</a></p><p><a href="https://therevelator.org/trash-galapagos-ecotourism/" target="_blank" rel="noopener noreferrer">Trash in the Galápagos Reveals the Dark Side of Ecotourism</a></p><p><a href="https://therevelator.org/elephant-seals-diving-garbage/" target="_blank" rel="noopener noreferrer">Elephant Seals: Diving Through Garbage</a></p><p><strong>Taking Action</strong></p><p><em><a href="https://therevelator.org/story-plastic-review/" target="_blank" rel="noopener noreferrer">The Story of Plastic: </a></em><a href="https://therevelator.org/story-plastic-review/" target="_blank" rel="noopener noreferrer">New Film Exposes the Source of Our Plastic Crisis</a></p><p><a href="https://therevelator.org/plastic-movie-stuff/" target="_blank" rel="noopener noreferrer">How to Win the Fight Against Plastic</a></p><p><a href="https://therevelator.org/cities-zero-waste/" target="_blank" rel="noopener noreferrer">Can Cities Go Zero-waste? One Japanese Town Tried</a></p><p><a href="https://therevelator.org/secret-value-trash/" target="_blank" rel="noopener noreferrer">The Secret Value of Trash</a></p><p><a href="https://therevelator.org/junk-raft-polluted-ocean/" target="_blank" rel="noopener noreferrer">Junk Raft: A Journey Through a Polluted Ocean</a></p><p><a href="https://therevelator.org/bioplastics-environment/" target="_blank" rel="noopener noreferrer">Are Bioplastics a Better Environmental Choice?</a></p><p><a href="https://therevelator.org/plastic-straws-problem-solution/" target="_blank" rel="noopener noreferrer">Plastic Pollution Is a Problem — These Kids Are Working for a Solution</a></p><p><a href="https://therevelator.org/thai-activists-fight-trash-taboo/" target="_blank" rel="noopener noreferrer">Thai Activists Fight Trash Taboo</a></p><p><em><a href="https://therevelator.org/author/taralohan/" target="_blank">Tara Lohan</a> is deputy editor of The Revelator and has worked for more than a decade as a digital editor and environmental journalist focused on the intersections of energy, water and climate. Her work has been published by The Nation, American Prospect, High Country News, Grist, Pacific Standard and others. She is the editor of two books on the global water crisis.</em></p><p><em>Reposted with permission from <a href="https://therevelator.org/plastic-pollution-archives/" target="_blank">The Revelator</a>. </em></p>
EcoWatch Daily Newsletter
Hundreds of endangered sea turtles were stranded on beaches after suffering "cold stunning" in the waters off Cape Cod, Mass. Local rescuers and wildlife rehabilitators stabilized the turtles at the New England Aquarium (NEAQ) and National Marine Life Center and began treatment. Many of the sea turtles were transported by land or air to partner facilities around the Eastern Seaboard for longer-term care to make room for more incoming, cold-stunned animals.
Rehabilitators at The Turtle Hospital in the Florida Keys assess critically endangered, cold-stunned Kemp's ridley sea turtles flown in after rescue in New England. The Turtle Hospital<p>NEAQ and local rescuers begin seeing turtles every fall when water temperatures drop to that 50 degrees F threshold, and typically expect to find them into early January. After that, <a href="https://www.ecowatch.com/sea-turtle-cape-cod-weather-2621527394.html" target="_self">temperatures are so cold that any animals found are usually no longer alive</a>.</p><p>Merigo estimated that this year's cold season "looks very busy" and noted that local rescue efforts had already surpassed 400 turtles.</p><p>"It is a lot of animals. They're still coming in," she told EcoWatch as she surveyed 39 rescued turtles that day and 20 the day prior. "So far, this is a huge year."</p><p>At NEAQ, the turtles are gradually warmed up about five to 10 degrees F a day. More aggressive warming can cause serious damage and the turtle might not survive, Merigo said. Emergency treatments also include providing replacement fluids, balancing electrolytes and addressing pneumonia. Assessments take place for other serious problems too, such as shell or limb fractures, frostbite, emaciation and eye damage.<span></span></p><p>As local aquariums don't have the capacity to care for all the injured turtles, a group of private pilots called <a href="https://www.turtlesflytoo.org/" target="_blank">"Turtles Fly Too"</a> donated planes, fuel and time to transport some to various partner facilities around the country. Other turtles were driven to closer care facilities.</p><p>"We have a huge network of really great partners working with us, so if we can spread out the care, we can give better care to all the animals," Merigo said.</p><p>The 40 Kemp's ridley sea turtles recovering in The Turtle Hospital will continue to be treated and rehabilitated anywhere from 30 days to a year, depending on the severity of injuries, Zirkelbach said.</p><p>The turtle expert noted that while she's treated cold-stunned turtles from the north before, the newest arrivals were the most cold-stunned Kemp's ridleys ever received at one time.</p>
After rescue, cold-stunned sea turtles received immediate emergency care and assessments at the New England Aquarium. Caitlin Cunningham / New England Aquarium<p>In the past decade, the Gulf of Maine, which spans from Cape Cod to Nova Scotia, has warmed 99 percent faster than the rest of the ocean, Zirkelbach said. The warm water encourages turtles that migrate north along the Gulf Stream in warmer months to stay in the bay longer.</p><p>"Turtles that fail to migrate south get stuck in the unique horseshoe-shaped topography of the Cape Cod peninsula, and when temperatures drop, the bay becomes a death trap," she added.</p><p>Before ocean temperatures warmed, the waters of Maine were too cold for many of these sea turtles, Merigo echoed. Now, with warming sea surface temperatures, Maine can reach the high 70s to low 80s, which is "perfect turtle temperature," she said. The potential for more turtles getting trapped in the bay and then cold-stunned is nerve-racking for Merigo.</p><p>In addition to shifting habitats as waters warm, warming global temperatures also disrupt natural gender balance in sea turtles, Merigo warned. Gender is determined by the temperature of eggs in nests, and as the planet warms, it will result in all females at some point, she said.</p><p>"The turtles we work with are all endangered and threatened," Merigo said. "For sea turtles in general, the future is a little grim. Climate change is real; it does impact them."</p>
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