Britain has plutonium for 17,000 Nagasaki bombs
Pastor Dale Morgan
Britain has plutonium for 17,000 Nagasaki bombs*
By Jeremy Lovell
Reuters
Thursday, September 20, 2007; 7:19 PM
LONDON (Reuters) - Britain has amassed a stockpile of more than 100
metric tons of plutonium -- enough for 17,000 bombs of the size that
flattened Japan's Nagasaki in 1945, a report from the country's top
science institution said on Friday.
The toxic stockpile, which has doubled in the last decade, comes mainly
from reprocessing of spent uranium fuel from the country's nuclear power
plants, so to stop it growing the practice must end, the Royal Society said.
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"There should be no more separation of plutonium once current contracts
have been fulfilled," said the report "Strategy options for the UK's
separated plutonium."
Plutonium, one of the most radiotoxic materials known, is produced when
spent uranium fuel from power stations is reprocessed to retrieve
reusable uranium.
It can be processed into mixed oxide (MOX) fuel but it can also be used
in nuclear weapons and so poses a security threat.
"Just over six kilograms of plutonium was used in the bomb that
devastated Nagasaki," said Geoffrey Boulton, the report's lead author.
"We must take measures to ensure that this very dangerous material does
not fall into the wrong hands."
Paradoxically, the Royal Society said the safest option was to leave
spent fuel as it was when it came out of the reactor because it was so
radioactive that it was far harder to handle.
The second best was to produce and burn MOX pellets and then leave them
unreprocessed.
"Spent fuel is more radioactive and therefore harder to handle than
plutonium -- and more difficult to use in nuclear weapons because it
would need to be reprocessed first," the report said.
PUBLIC CONSULTATION
The report comes as the government is in the middle of a public
consultation process on whether new nuclear power stations should be
built to replace the ageing existing stations which provide 20 percent
of the country's electricity.
All but one of the stations will be closed within 15 years due to old age.
The government has provisionally said new stations are needed on the
grounds of energy security and in the fight against climate change
because nuclear power emits little of the carbon dioxide that is blamed
for global warming.
Environmental campaigners have complained that the consultation is a
sham with questions and information presentations heavily loaded in
favor of new nuclear stations, and threatened new court action against
the process.
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Some academics too have expressed disquiet over the "form and function"
of the process.
The government was forced to embark on a new consultation process by a
court ruling in February that described the original public consultation
as seriously flawed.
Many questions remain over the role and safety of nuclear power,
although public opinion has moved grudgingly in favor particularly when
cast in the light of climate change.
Not least of these is disposal of nuclear waste.
Last year CoRWM, the Committee on Radioactive Waste Management,
recommended burying the waste unrecoverably.
But the government now has to find a site that meets the combined
criteria of being accessible for disposal, very difficult for illicit
retrieval, geologically stable and acceptable to the local community.