Ancient Global Warming Was Jarring

The LA Times takes on global warming in the past

Foreshadowing potential climate chaos to come, early global warming caused unexpectedly severe and erratic temperature swings as rising levels of greenhouse gases helped transform Earth, a team led by researchers at UC Davis said Thursday.

The global transition from ice age to greenhouse 300 million years ago was marked by repeated dips and rises in the amount of carbon dioxide in the atmosphere and wild swings in temperature, with drastic effects on forests and vegetation, the researchers reported in the journal Science.

"It was a real yo-yo," said UC Davis geochemist Isabel Montanez, who led researchers from five universities and the Smithsonian Museum of Natural History in a project funded by the National Science Foundation. "Should we expect similar but faster climate behavior in the future? One has to question whether that is where we are headed."

Ah! So massive global warming has happened before. Thanks for the tip.

For the most part, the article is simply neutral, explaining what happened, supposedly, in the past. One can pick out a few overtones of hysteria, through subtle use of comparisons between what happened then, and what is happening now, along with the mention of Man putting out pollutants.

I wonder where all the cars were back then?

Climate change is a part of the Earth's system. There have been ice ages and hot periods. No reason to think it won't happen again. And again. And again.

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2 Responses to “Ancient Global Warming Was Jarring”

  1. Ogre says:

    Those darn wolly mammoths must have been driving SUVs.

  2. Sounds like time for a photoshop 🙂

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