It is very cold in most of the US this winter. It brings to mind is it so cold that you can freeze to death as well as what happened to global warming? Cooling as well as warming trends have happened before and will happen again. Back in the 1970's for example winters turned significantly colder for awhile.Meteorologists are quick to point out that reliable U.S. weather data goes back only to the late 1800s, so it's normal for records of various types to be broken every year, somewhere, when dealing with such a relatively brief data set. Any given day or year may set set a record. For global warming it is the long term trend that is important.
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