May 4, 2013

Letters to the Editor: May 4, 2013

Day of Caring

TO THE EDITOR: We would like to take this opportunity to thank United Way of the Adirondack Region and volunteers from Georgia-Pacific for another successful United Day of Caring.

With the help of several people from Georgia-Pacific, we were able to accomplish several good projects at the Babbie Rural and Farm Learning Museum that Saturday.

Once again, a big thank you to all who helped make the day so successful.


Babbie Rural and Farm Learning Museum staff


Greenhouse gas

TO THE EDITOR: Nature has made CO2 a greenhouse gas (GHG).

It is not the fault of CO2 that this is the case; it is the nature of the chemical bonds within the molecule that brings this about. The “big bang” gave it this property.

The ice sheets that covered the northern hemisphere repeatedly over the past million years or so are driven by changes in Earth’s orbital characteristics — its orbital shape, axial precession and axial tilt: the Milankovitch cycles.

Other orbital changes bring about the melting as well, with CO2 as a feedback that hastens this process. Many peer-reviewed publications support this.

The air temperatures have remained relatively constant recently, but the GHG effect is still operating. It has not stopped doing what the physics requires. The extra heat is now going into the oceans. Guemas et al. (2013) in Nature Climate Change and Balmaseda (2013) in Geophysical Research Letters, both peer-reviewed papers, present data to support this claim. This additional heat is detected to a depth of more than 6,000 feet.

The Marcott study conclusions published in Science (March 2013) still stand. There has been no retraction of the study.

Marcott acknowledges, in the paper, that statistics for the 20th century are not robust. That is why he includes the Mann study (validated by 12 peer-reviewed studies since), which includes actual “thermometer” data: can’t get any better than that. One has to read the paper and not the press releases to understand that.

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