We live in the Quaternary, a geological era which started 2.58 million years ago, when temperatures decreased causing the first glaciations and dramatic climate changes.

Initially, glaciations lasted 41,000 years and temperatures were on average 4 degrees (Celsius) lower; now glaciations last beyond 100,000 years, with temperatures on average 8 to 10 degrees lower. Short interglacial warm periods, of about 10,000 years, separate each glaciation. The warm period in which we now live began 11,700 years ago and ocean sediments show that we are now entering the next ice age.

Antarctica’s ice-core data confirm this scenario. Air bubbles trapped in ice rings are used to determine the variations of methane, carbon dioxide, temperature and dust due to volcanic eruptions and allow to reconstruct temperatures, carbon dioxide and atmospheric composition, for the entire Quaternary period.

Each warm, interglacial period is associated with increasing temperatures and increasing levels of CO₂.

However, we see that temperatures rise before CO₂. This means that CO₂ is not the cause of rising temperatures but the consequence. The explanation is quite simple: during warm periods life proliferates and, since life is carbon based, CO₂ levels increase: CO₂ is an indicator of life. We also see that temperatures decrease before CO₂. This means that CO₂ has a limited greenhouse effect. CO₂ levels decrease when life succumbs to freezing temperatures.

Furthermore, ice core data show that in the first 20,000 years of the last glaciation CO₂ levels remained high although temperatures became freezing. This “unnatural” situation suggests that an advanced civilization was intentionally keeping life levels high. But, after approximately 20,000 years into the ice age, this civilization surrendered to the glacial temperatures.

The Vital Needs Theory - page 46

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