SIR - I was pleased to see that Peter Rushforth reads the T&A's Planet pages and that he is thinking about the way our behaviour produces carbon dioxide and the choices open to us (T&A, January 29).
Unfortunately, he could not be more wrong when he states global warming is all a cycle of nature and that man is too insignificant to have an effect.
Apart from the fact that man is part of nature, the science is absolutely clear, as are the observed changes in the climate. We are causing them.
The only question left is whether governments will act soon enough to prevent rampant climate change.
Keith Thomson, Heights Lane, Bradford
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