SIR - Mr Gouldsbrough (T&A, January 4) really doesn't wish to accept that climate change is mainly man-made but he will need better evidence than Mediterranean sea levels.
As well as sea level changing, the land can go up and down and the eastern Mediterranean area has an unstable history of earthquakes and volcanoes providing many examples of either raised or drowned harbours.
Closer to home Scotland is rising and southern England is sinking and this is on top of rising sea levels due to melting ice and expanding water.
Neither do you need a semi-Mediterranean climate to grow grapes in the UK. There are about 130 vineyards operating commercially at the moment including a five acre one in Leeds.
Keith Thomson, Heights Lane, Bradford
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