New work on teleconnections suggests that these cooling and warming trends are periodic in nature. El Nina etal is a 7 year oscillation. They have discovered others with periods of several decades. The interaction of these are potently a scientific reasoning. Real temperature trends will need to be coorelated over centuries, not decades.
Of course, destroying the ozone layer could really play havoc as well.
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New work on teleconnections suggests that these cooling and warming trends are periodic in nature. El Nina etal is a 7 year oscillation. They have discovered others with periods of several decades. The interaction of these are potently a scientific reasoning. Real temperature trends will need to be coorelated over centuries, not decades. Of course, destroying the ozone layer could really play havoc as well.