Environment & Energy

Nuclear Power Solution

The question
Some people believe that nuclear power offers a clean and reliable solution to the world's energy needs, while others consider it too dangerous. Discuss both views and give your own opinion.

Band 9 model answer

Nuclear energy provokes fierce debate: proponents hail it as a low-carbon saviour, whereas opponents warn of catastrophic risk. Having weighed both perspectives, I believe nuclear power remains a valuable component of a clean energy mix, provided it is rigorously regulated.

Those who champion nuclear power emphasise its reliability and minimal emissions. Unlike solar or wind, a reactor generates a constant, predictable output regardless of weather, making it ideal for meeting baseload demand. Moreover, the fission process produces virtually no carbon dioxide, so expanding nuclear capacity could displace coal-fired plants and significantly slow global warming. For densely populated nations with limited land, its high energy density is particularly attractive.

Detractors, however, point to the undeniable hazards. Accidents at Chernobyl and Fukushima demonstrated that a single failure can render vast areas uninhabitable for decades and erode public confidence overnight. The problem of radioactive waste, which remains lethal for millennia, has yet to be conclusively resolved, and the spectre of nuclear material falling into hostile hands compounds these anxieties.

In my judgement, these dangers, while serious, can be managed through stringent safety protocols, independent oversight and modern reactor designs that fail safely. The alternative, continued dependence on fossil fuels, poses a far more certain and widespread threat to humanity. Consequently, I regard nuclear power not as a flawless answer but as a pragmatic and necessary bridge towards a fully renewable future, one that responsible governments should embrace with appropriate caution.

Examiner’s notes

Power words for this topic

baseload
the minimum constant level of demand on an electricity supply
In a sentenceReactors are well suited to meeting baseload demand.
fission
the splitting of an atomic nucleus to release energy
In a sentenceThe fission process emits almost no carbon.
uninhabitable
unsuitable for living in
In a sentenceA meltdown can leave land uninhabitable for decades.
stringent
strict, precise and exacting
In a sentenceStringent safety protocols reduce the risk of disaster.