Vail Daily letter: A correction to global warming letter
Vail, CO, Colorado
I wrote the attachment on global warming (that ran as a letter to the editor Wednesday) and have a correction to make. In transcribing my attachment, you left out a minus sign. The average temperature of the Earth without greenhouse gasses would be minus 15 degrees centigrade or 5 degrees Fahrenheit. One interesting anomaly to the Earth’s temperature is that at the equator, it hasn’t changed for millions of years.
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