Squaring The Circle, A Randall Carlson Podcast #79 The Younger Dryas Series S1:E3.
Feb 18, 2026
A deep dive into the Younger Dryas and why that abrupt climate shift matters for human history. Clear explanations of glacial landforms like moraines, drumlins, kettles and outwash plains. Exploration of glacier dynamics, flow, accumulation and sensitivity to climate. Introduction to key terms and a downloadable infographic to follow up on the visuals.
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Learn Geology Terms To Judge Climate Claims
- Democratize scientific literacy instead of deferring unquestioningly to unnamed 'experts' when evaluating climate claims.
- Randall Carlson urges learning basic terms and maps to critically assess sensationalized mainstream narratives.
Younger Dryas As A Defining Climate Event
- The Younger Dryas is a pivotal, abrupt climatic event central to understanding late Pleistocene human-environment history.
- Randall Carlson emphasizes 30 years of study and calls the YD the most significant climate event since Homo sapiens emerged, framing the series.
Quaternary Defines The YD Geological Context
- Quaternary covers the Pleistocene and Holocene and spans about 2.5 million years.
- Carlson introduces the term to situate the Younger Dryas within the broader geological timeframe used by quaternary scientists.