“The warmings have been the good times, for both humans and wild species,” said Singer, professor emeritus of environmental studies at the University of Virginia. “The world today has more vegetation and a richer diversity of birds, bears, butterflies, and lichens than the planet had during the 550 years of the Little Ice Age. The cold times gave humanity famine, bubonic plague, fiercer storms, and clouded skies. People today don’t understand their climate blessings.”

The 1,500-year climate cycle was initially found in the first long ice cores scientists brought up in Greenland and Antarctica in the 1980s. Avery notes the original discoverers won the Tyler Prize (“the environmental Nobel”) in 1996 “but now nobody mentions them.” The cycle’s evidence has also been found in such sources as seabed sediments, cave stalagmites, fossil pollen, and ancient Chinese court records.

Dozens of other researchers have also found links between the 1,500-year cycle and solar variations recorded in the sunspot index.

“We’ve known for 400 years about the strong correlation between sunspots and the Earth’s temperatures,” said Singer. “There is no correlation between our temperatures and CO2.”  Source

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