Climate change isn't man-made


Published: Thursday, March 1, 2007 at 6:01 a.m.
Last Modified: Thursday, March 1, 2007 at 1:11 a.m.
In his "Speaking Out" column of Feb. 18, Stephen Mulkey sites the IPCC (U.N. Intergovernmental Panel on Climate Change) report which stated that with a greater than 90 percent certainty global warming is caused by man's burning of fossil fuels.
The IPCC and scientists like Mulkey are trying to convince us that through mitigation we can prevent and/or lessen the rising temperatures if we use alternative energy sources, etc.
I would present some observations to prove that climate change is cyclical and not man-made. These observations were made in my backyard, which according to Google Earth, is located approximately in the geographic center of Gainesville at about 125 feet above current sea level.
First, about 25 years ago, while digging in my backyard, I unearthed a fossil that was identified by the UF Department of Natural Science as a fossilized sperm whale tooth.
Second, for the 34 years I have lived in this house my children and I have been able to go into the creek that bisects our property and retrieve shark's teeth, some as large as my hand, others smaller than a dime.
As it is impossible for human beings to have scattered these fossils over the area, it can be safely said that at some time in the past history of the Earth what is now Gainesville was deeply submerged under the ocean, and that sharks and sperm whales swam freely over it for a long period of time.
Because of this irrefutable evidence we can safely state that climate change is not man-made. We can also state that regardless of what human beings do the Earth will cyclically warm and cool, and during some of these warming periods it will warm to point where the ice caps melt and large areas of current dry land will again be under water.

Fredrick P. Peterkin,

Gainesville

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