GreenMageddon, Part 3

The geological and paleontological evidence overwhelmingly says that today’s average global temperature of about 15 degrees C and CO2 concentrations of 420 ppm are nothing to fret about, and even if they rise to about 17-18 degrees C and 500-600 ppms by the end of the century, it may well on balance improve the lot of mankind.

After all, bursts of civilization during the last 10,000 years uniformly occurred during the red portion of the graph below–the river civilizations, the Minoan, the Greco-Roman era, the Medieval flowering and the industrial and technological revolutions of the present era. At the same time, the several lapses into dark ages happened when the climate turned colder (blue).