Nuclear Power News Articles
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The operator of Japan's tsunami-hit Fukushima nuclear power plant [Tokyo Electric Power (Tepco)] said the amount of radiation being emitted from the complex has halved from a month ago, in the latest sign that efforts to bring the plant under control are progressing. In light of the progress being made in cooling its damaged reactors, which suffered nuclear fuel meltdowns in the first days of the crisis, Tepco formally brought forward its plan to bring the plant to a state of "cold shutdown" within this year. Technically, a cold shutdown is a state in which water used to cool nuclear fuel rods remains below 100 degrees Celsius, preventing the fuel from reheating. Declaring a cold shutdown will have repercussions well beyond the plant as it is one of the criteria the government said must be met before it begins allowing about 80,000 residents evacuated from within a 20 km (12 mile) radius of the plant to go home. Japan faces a massive cleanup task if these residents are to be returned home -- the environmental ministry says about 2,400 square km (930 square miles) of land surrounding Daiichi may need decontamination. Even if a cold shutdown is declared Tepco has acknowledged that it may not be able to remove the fuel from the reactors for another 10 years and that the cleanup at the plant could take several decades.
Note: For more on the Fukushima situation from the standpoint of the tens of thousands of evacuees, click here.
Japan will scrap a plan to obtain half of its electricity from nuclear power and will instead promote renewable energy and conservation as a result of its ongoing nuclear crisis, the prime minister said [on May 10]. Naoto Kan said Japan needs to "start from scratch" on its long-term energy policy after the Fukushima Dai-ichi nuclear power plant was heavily damaged by a March 11 earthquake and tsunami and began leaking radiation. Some 80,000 people living within a 12-mile (20-kilometer) radius of the plant were evacuated from their homes. Nuclear plants supplied about 30 percent of Japan's electricity, and the government had planned to raise that to 50 percent by 2030. Kan told a news conference that nuclear and fossil fuel used to be the pillars of Japanese energy policy but now the government will add two more pillars: renewable energy such as solar, wind and biomass, and an increased focus on conservation. "I believe the government bears a major responsibility for having promoted nuclear energy as national policy. I apologize to the people for failing to prevent the nuclear accident," Kan said.
Note: For lots more from reliable sources on promising renewable energy sources, click here.
Israel's Army Radio reported on [July 7] that the United States has sent Israel a secret document committing to nuclear cooperation between the two countries. The U.S. has reportedly pledged to sell Israel materials used to produce electricity, as well as nuclear technology and other supplies, despite the fact that Israel is not a signatory of the Nuclear Non-Proliferation Treaty. Other countries have refused to cooperate with Israel on nuclear matters because it has not signed the NPT, and there has been increasing international pressure for Israel to be more transparent about its nuclear arsenal. Army Radio's diplomatic correspondent said the reported offer could put Israel on a par with India, another NPT holdout which is openly nuclear-armed but in 2008 secured a U.S.-led deal granting it civilian nuclear imports. Israel neither confirms nor denies having nuclear weapons under an "ambiguity" strategy billed as warding off foes while avoiding public provocations that can spark regional arms races. The official reticence, and its toleration in Washington, has long aggrieved many Arabs and Iranians - especially given U.S.-led pressure on Tehran to rein in its nuclear program.
Note: For many key reports on the government secrecy from reliable sources, click here.
Seven years after one of the largest earthquakes on record unleashed a massive tsunami and triggered a meltdown at Japans Fukushima Daiichi nuclear power plant, officials say they are at last getting a handle on the mammoth task of cleaning the site. In 2016 the government increased its cost estimate to about $75.7 billion, part of the overall Fukushima disaster price tag of $202.5 billion. The Japan Center for Economic Research, a private think tank, said the cleanup costs could mount to some $470 billion to $660 billion. Under a government roadmap, TEPCO hopes to finish the job in 30 to 40 years. But some experts say even that could be an underestimate. Shaun Burnie, senior nuclear specialist with Greenpeace Germany, doubts the ambitious cleanup effort can be completed in the time cited. Until TEPCO can verify the conditions of the molten fuel, he says, there can be no confirmation of what impact and damage the material has had on the various components of the reactors - and therefore how radiation might leak into the environment in the future.
Note: For more along these lines, see concise summaries of deeply revealing news articles on the Fukushima Nuclear Plant disaster.
The government is under pressure to reconsider its commitment to a new generation of nuclear power stations after the cost of offshore wind power reached a record low. Experts said green energy had reached a tipping point in the UK after two windfarms secured a state-backed price for their output that was nearly half the level awarded last year to Britains first new nuclear power site in a generation, Hinkley Point C. Vince Cable, the leader of the Liberal Democrats, said the breakthrough should prompt a rethink of the governments energy plans, which have pencilled in atomic plants at Wylffa in Wales, Sizewell in Suffolk and Bradwell in Essex. The spectacular drop in the cost of offshore wind is extremely encouraging and shows the need for a radical reappraisal by government of the UKs energy provision, he said. The government spending watchdog this year described Hinkley as a risky and expensive project that generations of British consumers will have to pay for through electricity bills. The auction results are unlikely to halt the Hinkley project. But they pose a serious dilemma for ... new nuclear power plants around the UK and are likely to feed into a flagship government review of energy costs out next month. Most industry watchers had expected future nuclear projects to cost 80-90 per MWh, a long way from the 62.14 average awarded to offshore windfarms. The price of building offshore windfarms has fallen by nearly a third since 2012 as the technology matured.
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A research team at the University of Bristol has developed a way to use a type of nuclear waste to generate electricity in a nuclear-powered battery that is an actual diamond. Such a battery produces very low power, but has no moving parts, no emissions of any type including radiation, needs no maintenance, does not need to be recharged and will operate for thousands of years. The team grew a man-made diamond that, when placed in a radiation field, was able to generate a small electrical current. And the radioactive field can be produced by the diamond itself by making the diamond from radioactive carbon-14 extracted from nuclear waste. Even better, the amount of radioactivity in each diamond battery is a lot less than in a single banana. Diamonds are made from pure carbon subjected to high pressures, usually deep in the Earths crust. But we have been artificially making them for decades. The normal way to produce electricity is to use energy, like burning coal or capturing wind, to move a magnet through a coil of wire to generate a current. However, a diamond is able to produce a charge simply by being subjected to a radiation field. The cost to produce a diamond is a lot less than disposing of used nuclear fuel and nuclear waste. These radioactive diamond batteries would have a very specific purpose low power and extremely long life. The ... battery would still be putting out 50% power after 5,730 years.
Note: For more along these lines, see concise summaries of deeply revealing news articles on nuclear power and new energy inventions.
An 85-year-old nun and two fellow Catholic peace activists who splashed blood on the walls of a bunker holding weapons-grade uranium exposing vulnerabilities in the nation's nuclear security were wrongly convicted of sabotage, an appeals court ruled Friday. At issue was whether Sister Megan Rice, 66-year-old Michael Walli and 59-year-old Greg Boertje-Obed injured national security when they cut through several fences to break into the Y-12 National Security Complex in Oak Ridge in July 2012. A panel of the 6th U.S. Circuit Court of Appeals ruled in a 2-1 decision that they did not. Once there, the trio had hung banners, prayed and hammered on the outside wall of the bunker to symbolize a Bible passage that refers to the end of war: "They will beat their swords into ploughshares." "If a defendant blew up a building used to manufacture components for nuclear weapons ... the government surely could demonstrate an adverse effect on the nation's ability to attack or defend," the opinion says. "But vague platitudes about a facility's 'crucial role in the national defense' are not enough to convict a defendant of sabotage." Rice wrote in a letter to The Associated Press in March that "the important message of the appeal is the illegality of nuclear weapons, which are sabotaging the planet."
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Japan's flagging anti-nuclear movement is getting a boost from two former prime ministers who are calling for atomic power to be phased out following the Fukushima disaster. Former Prime Minister Junichiro Koizumi said [on November 12] that the current prime minister, Shinzo Abe, ... "should use the power given to him to do what the majority of the people want," Koizumi said in a speech at the Japan Press Club. "It can be achieved. Why miss this chance?" Koizumi, who supported nuclear power during his 2001-2006 term in office, said that with Japan's nuclear plants all offline for safety checks it would be easiest to begin the phase-out soon. Polls have shown the majority of the public ... prefers to shift away from the nuclear plants that provided nearly a third of Japan's power generation capacity before the accident at the Fukushima Dai-Ichi nuclear plant. Three [former prime ministers], including Koizumi, have said they support ending use of nuclear power. Their support could help reinvigorate the anti-nuclear movement, which has lost some of its vitality nearly three years after the Fukushima accident. Another former prime minister, Morihiro Hosokawa, said in an interview ... that he also favors an end to reliance on nuclear power. "I can't understand why they want restarts of the nuclear plants when there is no place to discard the nuclear waste," said Hosokawa, who served as prime minister for eight months in 1993-94. "It would be a crime against future generations for our generation to restart nuclear plants without resolving this issue," he said. Experts have questioned whether earthquake-prone Japan can safely store nuclear waste under any scenario.
Note: For more on the risks of nuclear power, see the deeply revealing reports from reliable major media sources available here.
Faulty computer modeling caused the equipment problems that are expected to keep the San Onofre nuclear plant dark through the summer, federal regulators said Monday. The plant has been out of service since Jan. 31, when operators discovered a small leak in one of the thousands of steam generator tubes that carry hot, radioactive water used to create steam to turn turbines that generate electricity. That led to the discovery that other tubes were rubbing against support structures and adjacent tubes, and wearing out more quickly than expected. Eight tubes failed pressure testing, which NRC officials said ... is the first time in the nuclear industry that more than one tube at a plant has failed. The wear is a safety concern because tube ruptures can release radiation. The plant's operator, Southern California Edison; the NRC; and Mitsubishi Heavy Industries, the manufacturer of the steam generators, have been studying the cause and extent of the wear. The NRC has ordered Edison to keep the plant shuttered until it has determined the cause and how to fix it. "This is a significant, serious safety issue," said NRC regional administrator Elmo Collins. "This is a very difficult technical issue, and to be honest, it's not one we've seen before." NRC officials said it appears that simulations by Mitsubishi underpredicted the velocity of steam and water flowing among the tubes by a factor of three or four. The high rate of flow caused the tubes to vibrate and knock against each other, leading to the wear. It was not clear why the computer modeling was so far off.
Note: For lots more on corruption in the nuclear power industry, click here.
Just after 6 a.m. on Dec. 5, under cover of darkness, nine Greenpeace activists cut through a fence at the Nogent-sur-Seine atomic plant 95 kilometers (59 miles) southeast of Paris and headed for a domed reactor building. They scaled the roof and unfurled a Safe Nuclear Doesnt Exist banner before attracting the attention of security guards. Two remained at large for four hours. On the same day, two more campaigners breached the perimeter of the Cruas-Meysse plant on the Rhone, escaping detection for more than 14 hours while posting videos of their sit-in on the Internet. The security lapses ... come at a time when debate has intensified on Frances reliance on atomic power for three-quarters of its energy needs in the run-up to next years presidential elections. They also preempt next months release of the results of safety checks at Frances 58 reactors, commissioned in the aftermath of the Fukushima tragedy. Greenpeace said its activists exposed the biggest security lapse to date at the reactors that are operated by Electricite de France SA.
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It turns out that nuclear waste has more in common with the financial world than being a metaphor for the worst of its toxic assets. Nuclear waste some of which remains disastrously radioactive for 100,000 years turns out to be the ultimate tail risk. Tail risk, of course, is the statistical term much in vogue in the financial press for describing unlikely events. (The 'tail' in tail risk refers to the tail-shaped edges in the bell curve of a normal distribution.) These allegedly unlikely events are sometimes referred to as black swans. Black swans are occurring with such regularity in these volatile times that they can no longer be considered true statistical outliers. [Take] a look at these outlier events within the context of building nuclear waste containment vessels. Repository builders have to take into account a tail risk of future humans disturbing the site and not realising the danger facing themselves and their ecology. People might regress towards a pre-industrial state or lose language over a timescale like that. So you have to design a marker that scares people away, but doesn't flip them over into morbid curiosity towards exploring further and, potentially, dooming an entire civilisation with radioactive poisoning.
The horrible and heartbreaking events in Japan present a strange concatenation of disasters. Succumbing to the one-two punch of the earthquake and the tsunami, eleven of Japans 54 nuclear power reactors were shut down. Three of them have lost coolant to their cores and have experienced partial meltdowns. The same three have also suffered large explosions. The spent fuel in a fourth caught fire. Now a second filthy wave is beginning to roll this one composed of radioactive elements in the atmosphere. They include unknown amounts of cesium-137 and iodine-131, which can only have originated in the melting cores or in nearby spent fuel rod pools. The Japanese government has evacuated some 200,000 people in the vicinity of the plants. The second shock was, of course, different from the first in at least one fundamental respect. The first was dealt by Mother Nature, who has thus reminded us of her sovereign power to nourish or punish our delicate planet, its axis now tipping ever so slightly in a new direction. No finger of blame can be pointed at any perpetrator. The second shock, on the other hand, is the product of humankind, and involves human responsibility. Until the human species stepped in, there was no appreciable release of atomic energy from nuclear fission or fusion on earth.
Note: For an excellent list of experiments in which humans, either individually or collectively as a species, are being used as guinea pigs in most unethical and dangerous ways, click here.
A hydrogen bomb that went missing for three months in the Mediterranean Sea is back in the hands of the U.S. military after being found the previous day. The bomb had been lost in January when two U.S. military planes, a KC-135 tanker and a B-52 carrying four thermonuclear weapons, collided during midair refueling. Three of the four bombs fell to the ground near Palomares, Spain. While none of them detonated with a nuclear explosion, the high-explosive triggers in two of the bombs went off upon impact and contaminated the area with radioactive material. A fourth bomb plunged into the water off Spain's southeastern coastline. Following the incident, the Spanish government announced it would no longer allow U.S. planes carrying nuclear weapons to fly over its territory. On March 17, the U.S. Navy, using a midget submarine called the Alvin [found] the bomb 2,500 feet underwater, intact and with its parachute still attached.
Note: You can access a Jan. 27, 1966 NY Times article on this incident for a small fee at this link.
Toxic waste produced by one of the world's worst nuclear disasters will be dumped into the sea, according to the head of the Japanese company tasked with cleaning up the radioactive mess. Takashi Kawamura, chairman of Tokyo Electric Power Company (TEPCO), told foreign media that nearly 777,000 tons of water tainted with tritium, a byproduct of the nuclear process that is notoriously difficult to filter out of water, will be dumped into the Pacific Ocean as part of a multibillion-dollar recovery effort following the Fukushima nuclear disaster in 2011. The company has yet to deal with the water that was used to cool the plant's damaged reactors, causing it to become tainted with tritium. Tepco wants to release the contaminated water that is being stored in hundreds of tanks at the plant into the ocean. According to Reuters, this is a common practice at functioning nuclear plants. The plan to dump tritium-contaminated water into the sea was met with opposition by local fishermen, who say their industry has suffered enough in the aftermath of the environmental crisis. Dozens of countries and the European Union now ban certain fish imports from Japan following the disaster. As for the rest of the Fukushima prefecture, life has started to resume, albeit slowly. Of the estimated 150,000 who fled, only around 13 percent have come back.
Note: For more along these lines, see concise summaries of deeply revealing news articles on the Fukushima Nuclear Plant disaster.
Swiss voters are supporting a referendum to withdraw the country from nuclear power in favor of renewable energy. A projection from Sunday's referendum shows a majority of cantons (states) voted for the plan. Under Switzerland's direct democracy system, initiatives need a majority of both cantons and votes to pass. The projection for SRF public television showed 58 percent of voters in favor and 42 percent against the proposal. The Swiss government wants to ban the construction of new nuclear power plants and decommission the country's five existing ones at the end of their technically safe operating lives. The plan would also boost renewable energies such as water and wind and make cars and electronic devices more energy efficient.
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Ive spent the past five years piecing together the impacts that radioactive releases from Fukushima have had on the ocean, marine life, and the people who live on both sides of the Pacific. In the process ... Ive become frustrated with both sides of the nuclear power debate, [and] grown concerned over the lack of oversight for radioactive contamination in U.S. waters. Five years later, the story from the Japanese side of the Pacific is this: Overall, things are under control. Fishing has resumed in all regions except those within 10 kilometers of the reactors. However ... the Japanese will be wrestling with the cleanup for decades and will spend trillions of yen in the process. More than 80 percent of the radioactivity from the damaged reactors ended up in the Pacific - far more than reached the ocean from Chernobyl or Three Mile Island. In 2015 we detected signs of radioactive contamination from Fukushima along the coast near British Columbia and California. It is incorrect to say that Fukushima is under control when levels of radioactivity in the ocean indicate ongoing leaks. Recently, Ive begun to see a much more serious threat to U.S. waters. With our nearly 100 reactors ... you might expect a federal agency to be responsible for supporting research to improve our understanding of how radioactive contamination ... would affect our marine resources. Instead, the response we receive from an alphabet-soup of federal agencies is that such work is ... ultimately not our job.
Note: The article above was written by Dr. Ken Buesseler, director of the WHOI Center for Marine and Environmental Radioactivity. For more along these lines, see concise summaries of deeply revealing news articles on the Fukushima Nuclear Plant disaster.
The operator of the wrecked Fukushima Daiichi nuclear power plant has started pumping groundwater into the Pacific ocean in an attempt to manage the large volume of contaminated water at the site. Tokyo Electric Power (Tepco) said it had released 560 tonnes of groundwater pumped from 12 wells located upstream from the damaged reactors. The water had been temporarily stored in a tank so it could undergo safety checks before being released, the firm added. The buildup of toxic water is the most urgent problem facing workers at the plant, almost two years after the environment ministry said 300 tonnes of contaminated groundwater from Fukushima Daiichi was seeping into the ocean every day. The groundwater, which flows in from hills behind the plant, mixes with contaminated water used to cool melted fuel before ending up in the sea. Officials concede that decommissioning the reactors will be impossible until the water issue has been resolved. The bypass system intercepts clean groundwater as it flows downhill toward the sea and reroutes it around the plant. It is expected to reduce the amount of water flowing into the reactor basements by up to 100 tonnes a day ... and relieve pressure on the storage tanks, which will soon reach their capacity. But the system does not include the coolant water that becomes dangerously contaminated after it is pumped into the basements of three reactors that suffered meltdown after the plant was struck by an earthquake and tsunami in March 2011. That water will continue to be stored in more than 1,000 tanks at the site, while officials debate how to safely dispose of it.
Note: For more on the devastating impacts of nuclear power, see the deeply revealing reports from reliable major media sources available here.
It was the part of the Fukushima Daiichi nuclear power plant that spooked American officials the most, as the complex spiraled out of control two and a half years ago: the spent fuel pool at Reactor No. 4, with more than 1,500 radioactive fuel assemblies left exposed when a hydrogen explosion blew the roof off the building. In the next 10 days, the plants operator, the Tokyo Electric Power Company, is set to start the delicate and risky task of using a crane to remove the fuel assemblies from the pool, a critical step in a long decommissioning process that has already had serious setbacks. The operation addresses a threat that has hung over the plant since the crisis started. It is still dangerous to have the fuel high up in a damaged structure that could collapse in another quake, experts warn. But removing it poses dangers, too. The fuel rods must remain immersed in water to block the gamma radiation they emit and allow workers to be in the area, and to prevent the rods from overheating. An accident could expose the rods and in a worst-case scenario, some experts say allow them to release radioactive materials beyond the plant. There are potentially very big risks involved, Shunichi Tanaka, the head of Japans nuclear regulator, said last week. Each assembly must be handled very carefully. All I can do is pray that nothing goes wrong, said Yasuro Kawai, a former plant engineer who now heads a group that is independently monitoring the decommissioning process.
Note: For further assessment of the risks associated with any attempt to remove the rods from the damaged Fukushima Reactor #4 fuel pool, click here. For more on the risks of nuclear power, see the deeply revealing reports from reliable major media sources available here.
Last years tsunami disaster in Japan clouded the nations nuclear future, idled its reactors and rendered its huge stockpile of plutonium useless for now. So, the industrys plan to produce even more has raised a red flag. Nuclear industry officials say they hope to start producing a half-ton of plutonium within months, in addition to the more than 35 tons Japan already has stored around the world. Thats even though all the reactors that might use it are either inoperable or offline while the country rethinks its nuclear policy after the tsunami-generated Fukushima crisis. Its crazy, said Princeton University professor Frank von Hippel, a leading authority on nonproliferation issues and a former assistant director for national security in the White House Office of Science and Technology. There is absolutely no reason to do that. Japans nuclear industry produces plutonium which is strictly regulated globally because it also is used for nuclear weapons by reprocessing spent, uranium-based fuel in a procedure aimed at decreasing radioactive waste that otherwise would require long-term storage. Fuel reprocessing remains unreliable and it is questionable whether it is a viable way of reducing Japans massive amounts of spent fuel rods, said Takeo Kikkawa, a Hitotsubashi University professor specializing in energy issues. Japan should abandon the program altogether, said Hideyuki Ban, co-director of a respected anti-nuclear Citizens Nuclear Information Center. Then we can also contribute to the global effort for nuclear non-proliferation.
Note: For a state-of-the-art analysis revealing that radioactive fallout from the Fukushima meltdown is at least as big as Chernobyl and more global in reach, click here.
Unusual wear has been found on hundreds of tubes that carry radioactive water at Southern Californias San Onofre Unit 2 nuclear plant, raising questions about the integrity of equipment the company installed in a multimillion-dollar makeover in 2009. The disclosure came two days after a tube leak at the plants other unit prompted operators to shut down the reactor as a precaution. A tiny amount of radiation could have escaped, but officials say workers and the public were not endangered. The problems at Unit 2 were discovered during inspections of a steam generator, after the plant 45 miles north of San Diego was taken off-line for maintenance and refueling. The two huge steam generators at Unit 2, each containing 9,700 tubes, were replaced in fall 2009, and a year later in its twin plant, Unit 3, as part of a $670 million overhaul. According to the Nuclear Regulatory Commission, more than a third of the wall had been worn away in two tubes at Unit 2, which will require them to be plugged and taken out of service. At least 20 percent of the tube wall was worn away in 69 other tubes, and in more than 800, the thinning was at least 10 percent. Retired NRC engineer and researcher Joram Hopenfeld said the company will have to determine why the tubing is degrading so quickly before they do anything else. Ive never heard of anything like that over so short a period of time, Hopenfeld said. The safety implications could be very, very severe, Hopenfeld added.
Note: For key reports from reliable sources on dangers posed by the nuclear power industry, click here.
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