No cause for alarm

History shows Britain had a thriving grape and wine industry in the 14th century.

Pepys diary (The Diary of Samuel Pepys) of mid-17th century tells of the thames freezing solid, an elephant being led across and festivities held on the ice attended by royalty.

Neither of these happen with present climate.

CO2 levels have been as high as 7000 parts per million (PPM) and have fluctuated down and up over the past 500 million years without temperature change.

Present CO2 level is extremely low, and as plant health is promoted by higher levels, we should be increasing CO2 to feed the increasing population.

Present CO2, at 0.038 per cent of atmosphere and historic climate records show no extremes of temperature, so what is the 'climate change” industry about?

Is history at fault?

If the sea is rising the Marine Department should be advised so it can correct depth and clearances. The Surveyor general also, as land surveys are taken from near high water mark.

D Hardie, Paengaroa

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