As we have noted many times, perhaps the biggest impact on the Earth's climate over time has been the sun.
For instance, researchers at the Max Planck Institute for Solar Research in Germany report the sun has been burning more brightly over the last 60 years, accounting for the 1 degree Celsius increase in Earth's temperature over the last 100 years.
R. Timothy Patterson, professor of geology and director of the Ottawa-Carleton Geoscience Center of Canada's Carleton University, says that "CO2 variations show little correlation with our planet's climate on long, medium and even short time scales."
Rather, he says, "I and the first-class scientists I work with are consistently finding excellent correlations between the regular fluctuations of the sun and earthly climate. This is not surprising. The sun and the stars are the ultimate source of energy on this planet."
Patterson, sharing Tapping's concern, says: "Solar scientists predict that, by 2020, the sun will be starting into its weakest Schwabe cycle of the past two centuries, likely leading to unusually cool conditions on Earth."
"Solar activity has overpowered any effect that CO2 has had before, and it most likely will again," Patterson says. "If we were to have even a medium-sized solar minimum, we could be looking at a lot more bad effects than 'global warming' would have had."
A Hoover Institution Study a few years back examined historical data and came to a similar conclusion.
"The effects of solar activity and volcanoes are impossible to miss. Temperatures fluctuated exactly as expected, and the pattern was so clear that, statistically, the odds of the correlation existing by chance were one in 100," according to Hoover fellow Bruce Berkowitz.
The study says that "try as we might, we simply could not find any relationship between industrial activity, energy consumption and changes in global temperatures."
The study concludes that if you shut down all the world's power plants and factories, "there would not be much effect on temperatures."
But if the sun shuts down, we've got a problem. It is the sun, not the Earth, that's hanging in the balance.
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