Letters to the Editor

Climate change 'data' seems to be speculation

John Kunellis' "Here's real data for all the deniers" letter (April 3) states:

"Global sea levels have risen eight inches (200 mm) since 1880, measured by tidal gauges. Satellite data collected since 1993 confirms this finding. The rate of increase is 3.41 mm per year. That's the fastest sea level rise in 3000 years."

My questions for Mr. Kunellis:

Can you tell us who was collecting data 3,000 years ago? What instruments were used to take measurements? And how has that "real data" been preserved during the last 30 centuries?

It seems to be speculation to me.

JIM TOWLER

Carriere

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