REACTORS in many UK nuclear power stations are in danger of developing cracks in their graphite cores. This could force some plants to close down earlier than expected, dealing a blow to the idea that nuclear power can become a “green” option in the fight against global warming.
Documents obtained by New Scientist under the UK’s Freedom of Information Act have revealed unsuspected problems with the country’s ageing advanced gas-cooled reactors (AGRs). Government nuclear inspectors say they have uncovered weaknesses in the safety analyses carried out by British Energy, the company that runs the reactors.
The UK’s 14 AGRs…
