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Don't overlook N-subs power

I agree with your admonition (Comment last week) to embrace radical change in energy supply and usage.

Fossil fuels will run out one day and we shall all have to adapt to whatever viable alternative power sources have by then been developed, and it is right that development of such sources is progressed.

I query, however, the rapid rate of development of renewable sources of power and the consequent high costs compressed into a few short years, with which we are currently to be faced. In addition the power output from some renewable sources such as wind is variable, making it difficult to balance and integrate into the national grid.

The driver for this urgency is perceived to be the need to limit, or halt, climate change. So far this century there has not been an increase in global warming; the prediction is that it may start again in about 2018; this plateau was not predicted and there is no certainty that it will start again.

- KEITH HENRY (F), 53 Keith Avenue, Stirling,FK7 7UA

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