The Randall Carlson
@therandallcarlson·632K subscribers·2.1K videos
Sea Levels Were Higher During the Climatic Optimum
Posted
June 25, 2026
Views
4,069
Likes
313
Comments
9
Engagement
7.91%
June 25, 2026
4,069
313
9
7.91%
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0:38Now PlayingHe walks through the evidence showing sea levels were higher during the climatic optimum than they are today. Then came the cooling, the neoglacial period when glaciers grew and fluctuated around a mean before plunging again around 1300 years ago into the Little Ice Age. That cooling was significant, measurably colder than present conditions. What did a couple of degrees of cooling mean for human civilization during that period? The implications are worth examining in detail. The historical record shows us that climate variability is not a modern invention, it is the norm across the Holocene, and understanding these natural cycles gives us context for evaluating what we see today.
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