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Hello, this is Six Minute English from BBC Learning English.
I'm Neil.
And I'm Sam.
With winter here, the rising price of oil and natural gas has become a hot topic.
At the same time, climate change is also reaching emergency levels,
and world leaders are looking for ways to reduce our consumption of fossil fuels.
Some think the best option is renewables,
types of natural energy, such as wind and solar power,
which can be replaced as quickly as they are used.
Others prefer a return to nuclear energy,
arguing that it's clean, green and more reliable than renewables,
but after infamous nuclear disasters, like those at Chernobyl and Fukushima,
questions about its safety remain.
In this program, we'll be finding out how green nuclear power is,
by asking when it comes to the climate, is nuclear a friend or foe.
But before that Sam, it's time for my quiz question.
Many of the nuclear power stations built since the 1960s are reaching the end of their planned life,
and not everyone thinks they should be replaced.