Real Science

Glacier Bay Ice Retreated 50 Miles – Between 1780 And 1892

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http://soundwaves.usgs.gov/2001/07/glacierbaymap.gif

Red shows massive ice loss – with CO2 below 300 ppm.

Many warmists believe that they can stop glacial retreat by reducing CO2 to 350 ppm, once again indicating problems with the legalization of medical marijuana.

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