Snowball Earth Hypothesis
The Cryogenian period marked a significant ice house era, possibly leading to conditions where the Earth was entirely covered in ice, a scenario known as "snowball earth." This phenomenon is driven by a feedback loop called ice albedo feedback, where increased ice cover reflects sunlight, resulting in further cooling and more ice formation. While the exact details remain uncertain due to limited evidence, the plausibility of such extreme glaciation is intriguing and highlights the complex interplay of Earth's climate systems.In this clip
From this podcast

The Science of Everything Podcast
Episode 140: A History of Earth's Climate
Related Questions
The climate was very cold in earlier time periods and became warmer in later time periods.
I have a question about the episode Why Being a Specialist is Overrated & The Extreme Creatures that Roam Our Planet and the clip Cheetahs and Climate Change. Was the climate very cold in earlier time periods and did it become warmer in later time periods?
I have a question about the episode Dr. Jack Kruse and Bill Gifford and the clip Human Evolution Insights. The climate was very cold in earlier time periods and became warmer in later time periods. Can you provide more details on this climate change?