So what does it tell us about, say, the past 500 years?
Yes, Virginia, there was a Medieval Warm Period But was the MWP itself unusual? Well, no the trend over the past 4000 years is a marked decline. the current warming trend simply represents a return to the mean. If it lasts. |
"The light of the body is the eye: if therefore thine eye be single, thy whole body shall be full of light." --Jesus
"Sometimes the first duty of intelligent men is the restatement of the obvious" --George Orwell
"The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function." --F. Scott Fitzgerald