Too much CO₂ will cause an ice age

Yet more stupidity from Global Warming alarmists

The Daily Telegraph reports:

Researchers at the University of Birmingham found that 630 million years ago the earth had a warm atmosphere full of carbon dioxide but was completely covered with ice.
The scientists studied limestone rocks and found evidence that large amounts of greenhouse gas coincided with a prolonged period of freezing temperatures.
Such glaciation could happen again if global warming is not curbed, the university's school of geography, earth and environmental sciences warned.

Our intrepid researchers have discovered that Earth can be cold when CO₂ concentrations are high. They can also be warmer. There is NO correlation between CO₂ concentrations and global temperature. If humankind could extract and burn all the fossil fuel created over the life of the Earth, they would not have any impact on global temperatures. This graph, from Plant Fossils of West Virginia makes the point that CO₂ concentrations are irrelevant to global temperature.

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