Fantastic Cluster
Can we justify the dangers of nuclear power?
: Can we justify an involvement with nuclear power in the UK when we have the greatest potential for renewables in Europe? If we think about offshore and onshore wind power, tidal power and offshore barrages, we have a fantastic potential with a very low level of risk. If we compare that to nuclear power, we have to look at the question of cost. Without government subsidies, the cost per unit of electricity generated by nuclear power is not cost-effective. We also have to look at safety; we have a terrorist risk, we have health concerns of cancers with far higher clusters around existing power stations, and we have an accident risk, for instance in Chernobyl. We also have to look at disposal of spent uranium. With all due respect to the spokesperson last week, it is arguable that it is not safe to dispose of spent uranium; the half life of spent uranium exceeds the capacity of metal that we know to survive in corrosive water.
It basically depends how bad you think burning coal is. Burning coal actually releases more radiation into the environment than nuclear power ever has, even including things such as Chernobyl, because there’s a load of radioactive elements in coal. You burn it, they get released. There’s no way of constraining it. Also, burning coal produces lots of carbon dioxide which is bad for all sorts of other reasons including the greenhouse effect, etc. There’s also issues with acid rain which have been largely improved, but we’re getting huge amounts of our energy at the moment from fossil fuels.
Cluster Computing and MapReduce Lecture 5
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