Showing posts with label nuclear power. Show all posts
Showing posts with label nuclear power. Show all posts

Germany Abandons Nuclear for Coal

In the wake of the explosion of the Fukishima nuclear plant in Japan, Germany shut down 7 nuclear power plants. Coal fired power plants will fill the gaps left by phasing out nuclear power. Germany is moving away from nuclear power even though there is very little similarity between the threats confronted by the German and Japanese reactors.

The Fukushima reactors where not destroyed by the earthquake they were destroyed by a tsunami that crippled the plants cooling system. That is why it does not make sense for Germany, a largely landlocked nation, to fear a Fukishima style meltdown.

This decision is particularly troubling because nuclear power is carbon free while coal fired plants produce global warming causing GHGs. Germany is also compounding the problem by encouraging other countries to follow their lead.

"There will be more coal power ... with consequences for CO2 emissions," said Guenther Oettinger, a former premier of Baden-Wuerttemberg state.

Even if Germany succeeds in removing all nuclear power from its territory, there are nuclear power plants throughout Europe that pose an immediate threat in the event of a meltdown.

Replacing nuclear power with renewable energy is deemed to be expensive. However, even if we ignore the short term health impacts from coal fired energy generation, the costs of failing to reduce emissions dwarf the costs of renewables. Germany could slowly transition away from nuclear power towards renewable energy, instead Germany's politicians have decided to pander to voters rather than lead the nation.

© 2011, Richard Matthews. All rights reserved.

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On the Anniversary of the Bombing of Nagasaki Japan Vows to Develop More Renewable Energy

As the city of Nagasaki held a solemn memorial for the victims of the nuclear bomb that devastated that city on August 9, 1945, the city's mayor joined Japan's Prime Minister Naoto Kan in calling for a shift from nuclear power to renewable energy.

Japan knows all too well nuclear's savage power. The nuclear bomb that hit Nagasaki killed more than 70,000 people. On August 6, 1945, the nuclear bomb that was dropped on Hiroshima, killed 140,000 people.

Following a quake and tsunami that sparked the Fukushima nuclear disaster on March 11, 2011, Japan vowed to reduce its dependence on nuclear power. Nagasaki mayor Tomihisa Taue said Japan must develop safer energies such as solar and wind.

Before the March 11 disaster, Japan relied on nuclear power for about one third of its energy needs and had planned to increase that number to half of its power by 2030.

Now only 16 of Japan's 54 reactors are operational, with most of the closed plants now undergoing safety checks with more nuclear plants scheduled to go offline for checks and maintenance in coming months. Regional governments have been unwilling to approve reactor restarts.

Taue said that "no matter how long it will take, it is necessary to promote the development of renewable energies in place of nuclear power in a bid to transform ourselves into a society with a safer energy base".

© 2011, Richard Matthews. All rights reserved.

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US Nuclear Energy in the Wake of the Fukushima Reactor Explosions

Multiple explosions at the Fukushima nuclear reactors in Japan are leading many to question the value of nuclear power in America. The latest reports suggest at least 10,000 have been killed by the earthquake and resultant tsunami. With the meltdown of nuclear facilities in Japan, it may get much worse.

Nuclear reactors are located adjacent to sources of water for cooling. Many of the world's 442 nuclear power reactors are located by the sea, but these power plants are prone to tsunamis. As reported by ENN, the safe operation of these plants are likely to be aggravated by climate change.

Locating nuclear reactors on inland waterways also pose problems associated with climate change because inland water supplies are vulnerable to floods and heatwaves. (A 2003 heatwave in Europe forced Electricite de France to close or lower output at about half its 19 nuclear plants because of temperature limits on the water it returns to rivers).

In America, nuclear power provides about 20 percent of the country’s electricity. There are five reactors currently under construction in the US and some legislators would like to see as many as 100 more nuclear plants.

The disaster in Japan underscores the dangers of nuclear power in America and around the world. Despite the fact that nuclear power is dirty, deadly, and costly, some industry backers on Capitol Hill do not believe that the horrific situation in Japan warrants a moratorium on new American nuclear power projects.

The environmental catastrophe in Japan has inspired Europe and China to delay construction of new nuclear plants. In the US, many legislators have a different view. Senate Minority Leader Mitch McConnell (R-Ky.) said, “I don’t think right after a major environmental catastrophe is a very good time to be making American domestic policy.” Even some Democrats continue to support nuclear power including Sen. Chuck Schumer (D-N.Y.).

Sen. Joe Lieberman (I-Conn.) has suggested a more responsible course of action. He called for a temporary freeze on permitting new US nuclear power plants. “We’ve got to quietly — quickly put the brakes on, until we’ve absorbed ... what’s happening in Japan,” Lieberman said Sunday on CBS’s “Face the Nation.”

As reported in Politico, Rep. Ed Markey (D-Mass.) called for the Nuclear Regulatory Commission to impose a moratorium on building nuclear reactors in seismically active areas until a sweeping safety review is completed, and he demanded reviews of the Japanese plants’ designs to determine if there were flaws that could be repeated elsewhere.

Despite the reasonable suggestions of people like Senator Lieberman and Representative Markey, many remain committed to build more nuclear plants. Nuclear power was a big part of the 2010 Republican congressional campaign. President Obama and Energy Secretary, Steven Chu have also indicated thier support for nuclear energy.

President Obama's 2012 budget includes $36 billion in loan guarantees to the nuclear energy industry. As efforts are being made to reduce spending, it stands to reason that the massive investments required to fund nuclear energy should be reviewed in light of the catastrophe in Japan, particularly in seismically active areas in the US.

The nuclear power plant explosion in Japan, like the coal mine collapse in West Virginia and the BP oil disaster in the Gulf of Mexico, demonstrate that nuclear power along with coal and oil, cost human lives and destroy ecosystems.

Nuclear is better than coal but events in Fukushima, like the meltdowns in Chernobyl and Three Mile Island, illustrate that there are very real dangers associated with nuclear power. What we really need is more investments in renewable energy.

© 2011, Richard Matthews. All rights reserved.

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