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Author Topic: 140-million-year trend of dangerously decreasing CO2.  (Read 192 times)

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Offline rangerrebew

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140-million-year trend of dangerously decreasing CO2.
« on: July 07, 2025, 05:58:39 am »
140-million-year trend of dangerously decreasing CO2.

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For the last 140 million years, CO2 levels fell precipitously & steadily to within about 30 ppm of the 150 ppm “line of death” below which plants can’t survive. Both the relatively short-term data from ice cores and much longer-term data going back 140 million years (Berner 2001) show an alarming downward trend toward CO2 starvation. The release of carbon dioxide by the use of fossil fuels has allowed humanity to increase concentrations of this beneficial molecule, and perhaps avert an actual CO2-related climate apocalypse.

https://co2coalition.org/facts/140-million-year-trend-of-dangerously-decreasing-co2/
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Online Smokin Joe

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Re: 140-million-year trend of dangerously decreasing CO2.
« Reply #1 on: July 08, 2025, 03:06:31 am »
See?

The dinosaurs ran out of salads...

It wasn't the asteroid after all.  :laugh: :tongue2:
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Seventeen Techniques for Truth Suppression

Of all tyrannies, a tyranny sincerely exercised for the good of its victims may be the most oppressive. It would be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated; but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience.

C S Lewis
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