Thomas Jefferson Was The First Global Warming POTUS

Thomas Jefferson was worried about global warming, until Noah Webster explained to him that he was observing urban heat island effects. Unlike Obama, Jefferson was capable of listening and understanding – and didn’t force his ignorance on everyone else.

“In his 1787 book, Notes on the State of Virginia, Jefferson launched into a discussion of the climate of both his home state and America as a whole. Near the end of a brief chapter addressing wind currents, rain and temperature, he presented a series of tentative conclusions: “A change in our climate…is taking place very sensibly. Both heats and colds are become much more moderate within the memory of the middle-aged. Snows are less frequent and less deep….The elderly inform me the earth used to be covered with snow about three months in every year. The rivers, which then seldom failed to freeze over in the course of the winter, scarcely ever do so now.” Concerned about the destructive effects of this warming trend, Jefferson noted how “an unfortunate fluctuation between heat and cold” in the spring has been “very fatal to fruits.”

Webster concluded by rejecting the crude warming theory of Jefferson and Williams in favor of a more subtle rendering of the data. The conversion of forests to fields, he acknowledged, has led to some microclimatic changes—namely, more windiness and more variation in winter conditions. But while snow doesn’t stay on the ground as long, that doesn’t necessarily mean the country as a whole gets less snowfall each winter: “We have, in the cultivated districts, deep snow today, and none tomorrow; but the same quantity of snow falling in the woods, lies there till spring….This will explain all the appearances of the seasons without resorting to the unphilosophical hypothesis of a general increase in heat.”

Webster’s words essentially ended the controversy. While Jefferson continued to compile and crunch temperature data after his retirement from the presidency, he never again made the case for global warming.”

Smithsonian Magazine

About stevengoddard

Just having fun
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2 Responses to Thomas Jefferson Was The First Global Warming POTUS

  1. R. de Haan says:

    Same goes for the Thorium Problem:

  2. edonthewayup says:

    Reblogged this on Edonurwayup's Blog and commented:
    Global warming not a new thing.

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